90169300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 212660000

約数和(自身を除く): 122490700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 499, 556, 650, 695, 998, 1300, 1390, 1807, 1996, 2495, 2780, 3475, 3614, 4990, 6487, 6950, 7228, 9035, 9980, 12475, 12974, 13900, 18070, 24950, 25948, 32435, 36140, 45175, 49900, 64870, 69361, 90350, 129740, 138722, 162175, 180700, 277444, 324350, 346805, 648700, 693610, 901693, 1387220, 1734025, 1803386, 3468050, 3606772, 4508465, 6936100, 9016930, 18033860, 22542325, 45084650, 90169300]

約数ペア:

[(1, 90169300), (2, 45084650), (4, 22542325), (5, 18033860), (10, 9016930), (13, 6936100), (20, 4508465), (25, 3606772), (26, 3468050), (50, 1803386), (52, 1734025), (65, 1387220), (100, 901693), (130, 693610), (139, 648700), (260, 346805), (278, 324350), (325, 277444), (499, 180700), (556, 162175), (650, 138722), (695, 129740), (998, 90350), (1300, 69361), (1390, 64870), (1807, 49900), (1996, 45175), (2495, 36140), (2780, 32435), (3475, 25948), (3614, 24950), (4990, 18070), (6487, 13900), (6950, 12974), (7228, 12475), (9035, 9980)]