399164480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 252

約数和(自身を含む): 1149871716

約数和(自身を除く): 750707236

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 61, 64, 65, 80, 88, 104, 110, 121, 122, 130, 143, 160, 169, 176, 208, 220, 242, 244, 260, 286, 305, 320, 338, 352, 416, 440, 484, 488, 520, 572, 605, 610, 671, 676, 704, 715, 793, 832, 845, 880, 968, 976, 1040, 1144, 1210, 1220, 1342, 1352, 1430, 1573, 1586, 1690, 1760, 1859, 1936, 1952, 2080, 2288, 2420, 2440, 2684, 2704, 2860, 3146, 3172, 3355, 3380, 3520, 3718, 3872, 3904, 3965, 4160, 4576, 4840, 4880, 5368, 5408, 5720, 6292, 6344, 6710, 6760, 7381, 7436, 7744, 7865, 7930, 8723, 9152, 9295, 9680, 9760, 10309, 10736, 10816, 11440, 12584, 12688, 13420, 13520, 14762, 14872, 15730, 15860, 17446, 18590, 19360, 19520, 20449, 20618, 21472, 22880, 25168, 25376, 26840, 27040, 29524, 29744, 31460, 31720, 34892, 36905, 37180, 38720, 40898, 41236, 42944, 43615, 45760, 50336, 50752, 51545, 53680, 54080, 59048, 59488, 62920, 63440, 69784, 73810, 74360, 81796, 82472, 87230, 95953, 100672, 102245, 103090, 107360, 113399, 118096, 118976, 125840, 126880, 139568, 147620, 148720, 163592, 164944, 174460, 191906, 204490, 206180, 214720, 226798, 236192, 251680, 253760, 279136, 295240, 297440, 327184, 329888, 348920, 383812, 408980, 412360, 453596, 472384, 479765, 503360, 558272, 566995, 590480, 594880, 654368, 659776, 697840, 767624, 817960, 824720, 907192, 959530, 1133990, 1180960, 1247389, 1308736, 1395680, 1535248, 1635920, 1649440, 1814384, 1919060, 2267980, 2361920, 2494778, 2791360, 3070496, 3271840, 3298880, 3628768, 3838120, 4535960, 4989556, 6140992, 6236945, 6543680, 7257536, 7676240, 9071920, 9979112, 12473890, 15352480, 18143840, 19958224, 24947780, 30704960, 36287680, 39916448, 49895560, 79832896, 99791120, 199582240, 399164480]

約数ペア:

[(1, 399164480), (2, 199582240), (4, 99791120), (5, 79832896), (8, 49895560), (10, 39916448), (11, 36287680), (13, 30704960), (16, 24947780), (20, 19958224), (22, 18143840), (26, 15352480), (32, 12473890), (40, 9979112), (44, 9071920), (52, 7676240), (55, 7257536), (61, 6543680), (64, 6236945), (65, 6140992), (80, 4989556), (88, 4535960), (104, 3838120), (110, 3628768), (121, 3298880), (122, 3271840), (130, 3070496), (143, 2791360), (160, 2494778), (169, 2361920), (176, 2267980), (208, 1919060), (220, 1814384), (242, 1649440), (244, 1635920), (260, 1535248), (286, 1395680), (305, 1308736), (320, 1247389), (338, 1180960), (352, 1133990), (416, 959530), (440, 907192), (484, 824720), (488, 817960), (520, 767624), (572, 697840), (605, 659776), (610, 654368), (671, 594880), (676, 590480), (704, 566995), (715, 558272), (793, 503360), (832, 479765), (845, 472384), (880, 453596), (968, 412360), (976, 408980), (1040, 383812), (1144, 348920), (1210, 329888), (1220, 327184), (1342, 297440), (1352, 295240), (1430, 279136), (1573, 253760), (1586, 251680), (1690, 236192), (1760, 226798), (1859, 214720), (1936, 206180), (1952, 204490), (2080, 191906), (2288, 174460), (2420, 164944), (2440, 163592), (2684, 148720), (2704, 147620), (2860, 139568), (3146, 126880), (3172, 125840), (3355, 118976), (3380, 118096), (3520, 113399), (3718, 107360), (3872, 103090), (3904, 102245), (3965, 100672), (4160, 95953), (4576, 87230), (4840, 82472), (4880, 81796), (5368, 74360), (5408, 73810), (5720, 69784), (6292, 63440), (6344, 62920), (6710, 59488), (6760, 59048), (7381, 54080), (7436, 53680), (7744, 51545), (7865, 50752), (7930, 50336), (8723, 45760), (9152, 43615), (9295, 42944), (9680, 41236), (9760, 40898), (10309, 38720), (10736, 37180), (10816, 36905), (11440, 34892), (12584, 31720), (12688, 31460), (13420, 29744), (13520, 29524), (14762, 27040), (14872, 26840), (15730, 25376), (15860, 25168), (17446, 22880), (18590, 21472), (19360, 20618), (19520, 20449)]