631201300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 1411041632

約数和(自身を除く): 779840332

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 181, 215, 362, 430, 724, 811, 860, 905, 1075, 1622, 1810, 2150, 3244, 3620, 4055, 4300, 4525, 7783, 8110, 9050, 15566, 16220, 18100, 20275, 31132, 34873, 38915, 40550, 69746, 77830, 81100, 139492, 146791, 155660, 174365, 194575, 293582, 348730, 389150, 587164, 697460, 733955, 778300, 871825, 1467910, 1743650, 2935820, 3487300, 3669775, 6312013, 7339550, 12624026, 14679100, 25248052, 31560065, 63120130, 126240260, 157800325, 315600650, 631201300]

約数ペア:

[(1, 631201300), (2, 315600650), (4, 157800325), (5, 126240260), (10, 63120130), (20, 31560065), (25, 25248052), (43, 14679100), (50, 12624026), (86, 7339550), (100, 6312013), (172, 3669775), (181, 3487300), (215, 2935820), (362, 1743650), (430, 1467910), (724, 871825), (811, 778300), (860, 733955), (905, 697460), (1075, 587164), (1622, 389150), (1810, 348730), (2150, 293582), (3244, 194575), (3620, 174365), (4055, 155660), (4300, 146791), (4525, 139492), (7783, 81100), (8110, 77830), (9050, 69746), (15566, 40550), (16220, 38915), (18100, 34873), (20275, 31132)]