2012091260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6571

約数の個数: 72

約数和(自身を含む): 4563898416

約数和(自身を除く): 2551807156

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 722, 817, 860, 1444, 1634, 1805, 3268, 3610, 4085, 6481, 7220, 8170, 12962, 15523, 16340, 25924, 31046, 32405, 62092, 64810, 77615, 123139, 129620, 155230, 246278, 278683, 310460, 492556, 557366, 615695, 1114732, 1231390, 1393415, 2339641, 2462780, 2786830, 4679282, 5294977, 5573660, 9358564, 10589954, 11698205, 21179908, 23396410, 26474885, 46792820, 52949770, 100604563, 105899540, 201209126, 402418252, 503022815, 1006045630, 2012091260]

約数ペア:

[(1, 2012091260), (2, 1006045630), (4, 503022815), (5, 402418252), (10, 201209126), (19, 105899540), (20, 100604563), (38, 52949770), (43, 46792820), (76, 26474885), (86, 23396410), (95, 21179908), (172, 11698205), (190, 10589954), (215, 9358564), (361, 5573660), (380, 5294977), (430, 4679282), (722, 2786830), (817, 2462780), (860, 2339641), (1444, 1393415), (1634, 1231390), (1805, 1114732), (3268, 615695), (3610, 557366), (4085, 492556), (6481, 310460), (7220, 278683), (8170, 246278), (12962, 155230), (15523, 129620), (16340, 123139), (25924, 77615), (31046, 64810), (32405, 62092)]