438075040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 144

約数和(自身を含む): 1187855928

約数和(自身を除く): 749780888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 260, 272, 338, 340, 416, 442, 520, 544, 676, 680, 845, 884, 953, 1040, 1105, 1352, 1360, 1690, 1768, 1906, 2080, 2210, 2704, 2720, 2873, 3380, 3536, 3812, 4420, 4765, 5408, 5746, 6760, 7072, 7624, 8840, 9530, 11492, 12389, 13520, 14365, 15248, 16201, 17680, 19060, 22984, 24778, 27040, 28730, 30496, 32402, 35360, 38120, 45968, 49556, 57460, 61945, 64804, 76240, 81005, 91936, 99112, 114920, 123890, 129608, 152480, 161057, 162010, 198224, 210613, 229840, 247780, 259216, 322114, 324020, 396448, 421226, 459680, 495560, 518432, 644228, 648040, 805285, 842452, 991120, 1053065, 1288456, 1296080, 1610570, 1684904, 1982240, 2106130, 2576912, 2592160, 2737969, 3221140, 3369808, 4212260, 5153824, 5475938, 6442280, 6739616, 8424520, 10951876, 12884560, 13689845, 16849040, 21903752, 25769120, 27379690, 33698080, 43807504, 54759380, 87615008, 109518760, 219037520, 438075040]

約数ペア:

[(1, 438075040), (2, 219037520), (4, 109518760), (5, 87615008), (8, 54759380), (10, 43807504), (13, 33698080), (16, 27379690), (17, 25769120), (20, 21903752), (26, 16849040), (32, 13689845), (34, 12884560), (40, 10951876), (52, 8424520), (65, 6739616), (68, 6442280), (80, 5475938), (85, 5153824), (104, 4212260), (130, 3369808), (136, 3221140), (160, 2737969), (169, 2592160), (170, 2576912), (208, 2106130), (221, 1982240), (260, 1684904), (272, 1610570), (338, 1296080), (340, 1288456), (416, 1053065), (442, 991120), (520, 842452), (544, 805285), (676, 648040), (680, 644228), (845, 518432), (884, 495560), (953, 459680), (1040, 421226), (1105, 396448), (1352, 324020), (1360, 322114), (1690, 259216), (1768, 247780), (1906, 229840), (2080, 210613), (2210, 198224), (2704, 162010), (2720, 161057), (2873, 152480), (3380, 129608), (3536, 123890), (3812, 114920), (4420, 99112), (4765, 91936), (5408, 81005), (5746, 76240), (6760, 64804), (7072, 61945), (7624, 57460), (8840, 49556), (9530, 45968), (11492, 38120), (12389, 35360), (13520, 32402), (14365, 30496), (15248, 28730), (16201, 27040), (17680, 24778), (19060, 22984)]