205876860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{490183}}^1$

素因数の和:490202

約数の個数: 48

約数和(自身を含む): 658807296

約数和(自身を除く): 452930436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 490183, 980366, 1470549, 1960732, 2450915, 2941098, 3431281, 4901830, 5882196, 6862562, 7352745, 9803660, 10293843, 13725124, 14705490, 17156405, 20587686, 29410980, 34312810, 41175372, 51469215, 68625620, 102938430, 205876860]

約数ペア:

[(1, 205876860), (2, 102938430), (3, 68625620), (4, 51469215), (5, 41175372), (6, 34312810), (7, 29410980), (10, 20587686), (12, 17156405), (14, 14705490), (15, 13725124), (20, 10293843), (21, 9803660), (28, 7352745), (30, 6862562), (35, 5882196), (42, 4901830), (60, 3431281), (70, 2941098), (84, 2450915), (105, 1960732), (140, 1470549), (210, 980366), (420, 490183)]