421002620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{3119}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 938770560

約数和(自身を除く): 517767940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 794, 1588, 1985, 3119, 3970, 6238, 6749, 7940, 12476, 13498, 15595, 26996, 31190, 33745, 53023, 62380, 67490, 106046, 134980, 212092, 265115, 530230, 1060460, 1238243, 2476486, 4952972, 6191215, 12382430, 21050131, 24764860, 42100262, 84200524, 105250655, 210501310, 421002620]

約数ペア:

[(1, 421002620), (2, 210501310), (4, 105250655), (5, 84200524), (10, 42100262), (17, 24764860), (20, 21050131), (34, 12382430), (68, 6191215), (85, 4952972), (170, 2476486), (340, 1238243), (397, 1060460), (794, 530230), (1588, 265115), (1985, 212092), (3119, 134980), (3970, 106046), (6238, 67490), (6749, 62380), (7940, 53023), (12476, 33745), (13498, 31190), (15595, 26996)]