248400880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 718704000

約数和(自身を除く): 470303120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 149, 182, 208, 229, 260, 280, 298, 364, 455, 458, 520, 560, 596, 728, 745, 910, 916, 1040, 1043, 1145, 1192, 1456, 1490, 1603, 1820, 1832, 1937, 2086, 2290, 2384, 2977, 2980, 3206, 3640, 3664, 3874, 4172, 4580, 5215, 5954, 5960, 6412, 7280, 7748, 8015, 8344, 9160, 9685, 10430, 11908, 11920, 12824, 13559, 14885, 15496, 16030, 16688, 18320, 19370, 20839, 20860, 23816, 25648, 27118, 29770, 30992, 32060, 34121, 38740, 41678, 41720, 47632, 54236, 59540, 64120, 67795, 68242, 77480, 83356, 83440, 104195, 108472, 119080, 128240, 135590, 136484, 154960, 166712, 170605, 208390, 216944, 238160, 238847, 271180, 272968, 333424, 341210, 416780, 443573, 477694, 542360, 545936, 682420, 833560, 887146, 955388, 1084720, 1194235, 1364840, 1667120, 1774292, 1910776, 2217865, 2388470, 2729680, 3105011, 3548584, 3821552, 4435730, 4776940, 6210022, 7097168, 8871460, 9553880, 12420044, 15525055, 17742920, 19107760, 24840088, 31050110, 35485840, 49680176, 62100220, 124200440, 248400880]

約数ペア:

[(1, 248400880), (2, 124200440), (4, 62100220), (5, 49680176), (7, 35485840), (8, 31050110), (10, 24840088), (13, 19107760), (14, 17742920), (16, 15525055), (20, 12420044), (26, 9553880), (28, 8871460), (35, 7097168), (40, 6210022), (52, 4776940), (56, 4435730), (65, 3821552), (70, 3548584), (80, 3105011), (91, 2729680), (104, 2388470), (112, 2217865), (130, 1910776), (140, 1774292), (149, 1667120), (182, 1364840), (208, 1194235), (229, 1084720), (260, 955388), (280, 887146), (298, 833560), (364, 682420), (455, 545936), (458, 542360), (520, 477694), (560, 443573), (596, 416780), (728, 341210), (745, 333424), (910, 272968), (916, 271180), (1040, 238847), (1043, 238160), (1145, 216944), (1192, 208390), (1456, 170605), (1490, 166712), (1603, 154960), (1820, 136484), (1832, 135590), (1937, 128240), (2086, 119080), (2290, 108472), (2384, 104195), (2977, 83440), (2980, 83356), (3206, 77480), (3640, 68242), (3664, 67795), (3874, 64120), (4172, 59540), (4580, 54236), (5215, 47632), (5954, 41720), (5960, 41678), (6412, 38740), (7280, 34121), (7748, 32060), (8015, 30992), (8344, 29770), (9160, 27118), (9685, 25648), (10430, 23816), (11908, 20860), (11920, 20839), (12824, 19370), (13559, 18320), (14885, 16688), (15496, 16030)]