725359960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73417}}^1$

素因数の和:73460

約数の個数: 64

約数和(自身を含む): 1850133600

約数和(自身を除く): 1124773640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 73417, 146834, 293668, 367085, 587336, 734170, 954421, 1394923, 1468340, 1908842, 2789846, 2936680, 3817684, 4772105, 5579692, 6974615, 7635368, 9544210, 11159384, 13949230, 18133999, 19088420, 27898460, 36267998, 38176840, 55796920, 72535996, 90669995, 145071992, 181339990, 362679980, 725359960]

約数ペア:

[(1, 725359960), (2, 362679980), (4, 181339990), (5, 145071992), (8, 90669995), (10, 72535996), (13, 55796920), (19, 38176840), (20, 36267998), (26, 27898460), (38, 19088420), (40, 18133999), (52, 13949230), (65, 11159384), (76, 9544210), (95, 7635368), (104, 6974615), (130, 5579692), (152, 4772105), (190, 3817684), (247, 2936680), (260, 2789846), (380, 1908842), (494, 1468340), (520, 1394923), (760, 954421), (988, 734170), (1235, 587336), (1976, 367085), (2470, 293668), (4940, 146834), (9880, 73417)]