77419420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4079}}^1$

素因数の和:4174

約数の個数: 48

約数和(自身を含む): 177528960

約数和(自身を除く): 100109540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4079, 4745, 8158, 9490, 16316, 18980, 20395, 40790, 53027, 81580, 106054, 212108, 265135, 297767, 530270, 595534, 1060540, 1191068, 1488835, 2977670, 3870971, 5955340, 7741942, 15483884, 19354855, 38709710, 77419420]

約数ペア:

[(1, 77419420), (2, 38709710), (4, 19354855), (5, 15483884), (10, 7741942), (13, 5955340), (20, 3870971), (26, 2977670), (52, 1488835), (65, 1191068), (73, 1060540), (130, 595534), (146, 530270), (260, 297767), (292, 265135), (365, 212108), (730, 106054), (949, 81580), (1460, 53027), (1898, 40790), (3796, 20395), (4079, 18980), (4745, 16316), (8158, 9490)]