201678920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1009}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 479952000

約数和(自身を除く): 278273080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 263, 380, 526, 760, 1009, 1052, 1315, 2018, 2104, 2630, 4036, 4997, 5045, 5260, 8072, 9994, 10090, 10520, 19171, 19988, 20180, 24985, 38342, 39976, 40360, 49970, 76684, 95855, 99940, 153368, 191710, 199880, 265367, 383420, 530734, 766840, 1061468, 1326835, 2122936, 2653670, 5041973, 5307340, 10083946, 10614680, 20167892, 25209865, 40335784, 50419730, 100839460, 201678920]

約数ペア:

[(1, 201678920), (2, 100839460), (4, 50419730), (5, 40335784), (8, 25209865), (10, 20167892), (19, 10614680), (20, 10083946), (38, 5307340), (40, 5041973), (76, 2653670), (95, 2122936), (152, 1326835), (190, 1061468), (263, 766840), (380, 530734), (526, 383420), (760, 265367), (1009, 199880), (1052, 191710), (1315, 153368), (2018, 99940), (2104, 95855), (2630, 76684), (4036, 49970), (4997, 40360), (5045, 39976), (5260, 38342), (8072, 24985), (9994, 20180), (10090, 19988), (10520, 19171)]