178117550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 363934296

約数和(自身を除く): 185816746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 169, 197, 214, 325, 338, 394, 535, 650, 845, 985, 1070, 1391, 1690, 1970, 2561, 2675, 2782, 4225, 4925, 5122, 5350, 6955, 8450, 9850, 12805, 13910, 18083, 21079, 25610, 33293, 34775, 36166, 42158, 64025, 66586, 69550, 90415, 105395, 128050, 166465, 180830, 210790, 274027, 332930, 452075, 526975, 548054, 832325, 904150, 1053950, 1370135, 1664650, 2740270, 3562351, 6850675, 7124702, 13701350, 17811755, 35623510, 89058775, 178117550]

約数ペア:

[(1, 178117550), (2, 89058775), (5, 35623510), (10, 17811755), (13, 13701350), (25, 7124702), (26, 6850675), (50, 3562351), (65, 2740270), (107, 1664650), (130, 1370135), (169, 1053950), (197, 904150), (214, 832325), (325, 548054), (338, 526975), (394, 452075), (535, 332930), (650, 274027), (845, 210790), (985, 180830), (1070, 166465), (1391, 128050), (1690, 105395), (1970, 90415), (2561, 69550), (2675, 66586), (2782, 64025), (4225, 42158), (4925, 36166), (5122, 34775), (5350, 33293), (6955, 25610), (8450, 21079), (9850, 18083), (12805, 13910)]