251981240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{14753}}^1$

素因数の和:14832

約数の個数: 64

約数和(自身を含む): 658618560

約数和(自身を除く): 406637320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 14753, 17080, 29506, 59012, 73765, 103271, 118024, 147530, 206542, 295060, 413084, 516355, 590120, 826168, 899933, 1032710, 1799866, 2065420, 3599732, 4130840, 4499665, 6299531, 7199464, 8999330, 12599062, 17998660, 25198124, 31497655, 35997320, 50396248, 62995310, 125990620, 251981240]

約数ペア:

[(1, 251981240), (2, 125990620), (4, 62995310), (5, 50396248), (7, 35997320), (8, 31497655), (10, 25198124), (14, 17998660), (20, 12599062), (28, 8999330), (35, 7199464), (40, 6299531), (56, 4499665), (61, 4130840), (70, 3599732), (122, 2065420), (140, 1799866), (244, 1032710), (280, 899933), (305, 826168), (427, 590120), (488, 516355), (610, 413084), (854, 295060), (1220, 206542), (1708, 147530), (2135, 118024), (2440, 103271), (3416, 73765), (4270, 59012), (8540, 29506), (14753, 17080)]