490980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 1608768

約数和(自身を除く): 1117788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 167, 196, 210, 245, 294, 334, 420, 490, 501, 588, 668, 735, 835, 980, 1002, 1169, 1470, 1670, 2004, 2338, 2505, 2940, 3340, 3507, 4676, 5010, 5845, 7014, 8183, 10020, 11690, 14028, 16366, 17535, 23380, 24549, 32732, 35070, 40915, 49098, 70140, 81830, 98196, 122745, 163660, 245490, 490980]

約数ペア:

[(1, 490980), (2, 245490), (3, 163660), (4, 122745), (5, 98196), (6, 81830), (7, 70140), (10, 49098), (12, 40915), (14, 35070), (15, 32732), (20, 24549), (21, 23380), (28, 17535), (30, 16366), (35, 14028), (42, 11690), (49, 10020), (60, 8183), (70, 7014), (84, 5845), (98, 5010), (105, 4676), (140, 3507), (147, 3340), (167, 2940), (196, 2505), (210, 2338), (245, 2004), (294, 1670), (334, 1470), (420, 1169), (490, 1002), (501, 980), (588, 835), (668, 735)]