289598920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5407}}^1$

素因数の和:5534

約数の個数: 64

約数和(自身を含む): 708664320

約数和(自身を除く): 419065400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 2060, 2678, 4120, 5356, 5407, 6695, 10712, 10814, 13390, 21628, 26780, 27035, 43256, 53560, 54070, 70291, 108140, 140582, 216280, 281164, 351455, 556921, 562328, 702910, 1113842, 1405820, 2227684, 2784605, 2811640, 4455368, 5569210, 7239973, 11138420, 14479946, 22276840, 28959892, 36199865, 57919784, 72399730, 144799460, 289598920]

約数ペア:

[(1, 289598920), (2, 144799460), (4, 72399730), (5, 57919784), (8, 36199865), (10, 28959892), (13, 22276840), (20, 14479946), (26, 11138420), (40, 7239973), (52, 5569210), (65, 4455368), (103, 2811640), (104, 2784605), (130, 2227684), (206, 1405820), (260, 1113842), (412, 702910), (515, 562328), (520, 556921), (824, 351455), (1030, 281164), (1339, 216280), (2060, 140582), (2678, 108140), (4120, 70291), (5356, 54070), (5407, 53560), (6695, 43256), (10712, 27035), (10814, 26780), (13390, 21628)]