257924100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 857945088

約数和(自身を除く): 600020988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 263, 300, 350, 420, 467, 525, 526, 700, 789, 934, 1050, 1052, 1315, 1401, 1578, 1841, 1868, 2100, 2335, 2630, 2802, 3156, 3269, 3682, 3945, 4670, 5260, 5523, 5604, 6538, 6575, 7005, 7364, 7890, 9205, 9340, 9807, 11046, 11675, 13076, 13150, 14010, 15780, 16345, 18410, 19614, 19725, 22092, 23350, 26300, 27615, 28020, 32690, 35025, 36820, 39228, 39450, 46025, 46700, 49035, 55230, 65380, 70050, 78900, 81725, 92050, 98070, 110460, 122821, 138075, 140100, 163450, 184100, 196140, 245175, 245642, 276150, 326900, 368463, 490350, 491284, 552300, 614105, 736926, 859747, 980700, 1228210, 1473852, 1719494, 1842315, 2456420, 2579241, 3070525, 3438988, 3684630, 4298735, 5158482, 6141050, 7369260, 8597470, 9211575, 10316964, 12282100, 12896205, 17194940, 18423150, 21493675, 25792410, 36846300, 42987350, 51584820, 64481025, 85974700, 128962050, 257924100]

約数ペア:

[(1, 257924100), (2, 128962050), (3, 85974700), (4, 64481025), (5, 51584820), (6, 42987350), (7, 36846300), (10, 25792410), (12, 21493675), (14, 18423150), (15, 17194940), (20, 12896205), (21, 12282100), (25, 10316964), (28, 9211575), (30, 8597470), (35, 7369260), (42, 6141050), (50, 5158482), (60, 4298735), (70, 3684630), (75, 3438988), (84, 3070525), (100, 2579241), (105, 2456420), (140, 1842315), (150, 1719494), (175, 1473852), (210, 1228210), (263, 980700), (300, 859747), (350, 736926), (420, 614105), (467, 552300), (525, 491284), (526, 490350), (700, 368463), (789, 326900), (934, 276150), (1050, 245642), (1052, 245175), (1315, 196140), (1401, 184100), (1578, 163450), (1841, 140100), (1868, 138075), (2100, 122821), (2335, 110460), (2630, 98070), (2802, 92050), (3156, 81725), (3269, 78900), (3682, 70050), (3945, 65380), (4670, 55230), (5260, 49035), (5523, 46700), (5604, 46025), (6538, 39450), (6575, 39228), (7005, 36820), (7364, 35025), (7890, 32690), (9205, 28020), (9340, 27615), (9807, 26300), (11046, 23350), (11675, 22092), (13076, 19725), (13150, 19614), (14010, 18410), (15780, 16345)]