389300520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{463453}}^1$

素因数の和:463474

約数の個数: 64

約数和(自身を含む): 1334747520

約数和(自身を除く): 945447000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 463453, 926906, 1390359, 1853812, 2317265, 2780718, 3244171, 3707624, 4634530, 5561436, 6488342, 6951795, 9269060, 9732513, 11122872, 12976684, 13903590, 16220855, 18538120, 19465026, 25953368, 27807180, 32441710, 38930052, 48662565, 55614360, 64883420, 77860104, 97325130, 129766840, 194650260, 389300520]

約数ペア:

[(1, 389300520), (2, 194650260), (3, 129766840), (4, 97325130), (5, 77860104), (6, 64883420), (7, 55614360), (8, 48662565), (10, 38930052), (12, 32441710), (14, 27807180), (15, 25953368), (20, 19465026), (21, 18538120), (24, 16220855), (28, 13903590), (30, 12976684), (35, 11122872), (40, 9732513), (42, 9269060), (56, 6951795), (60, 6488342), (70, 5561436), (84, 4634530), (105, 3707624), (120, 3244171), (140, 2780718), (168, 2317265), (210, 1853812), (280, 1390359), (420, 926906), (840, 463453)]