27821036740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{64667}}^1$

素因数の和:65129

約数の個数: 72

約数和(自身を含む): 68118684480

約数和(自身を除く): 40297647740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 490, 878, 980, 1756, 2195, 3073, 4390, 6146, 8780, 12292, 15365, 21511, 30730, 43022, 61460, 64667, 86044, 107555, 129334, 215110, 258668, 323335, 430220, 452669, 646670, 905338, 1293340, 1810676, 2263345, 3168683, 4526690, 6337366, 9053380, 12674732, 15843415, 28388813, 31686830, 56777626, 63373660, 113555252, 141944065, 198721691, 283888130, 397443382, 567776260, 794886764, 993608455, 1391051837, 1987216910, 2782103674, 3974433820, 5564207348, 6955259185, 13910518370, 27821036740]

約数ペア:

[(1, 27821036740), (2, 13910518370), (4, 6955259185), (5, 5564207348), (7, 3974433820), (10, 2782103674), (14, 1987216910), (20, 1391051837), (28, 993608455), (35, 794886764), (49, 567776260), (70, 397443382), (98, 283888130), (140, 198721691), (196, 141944065), (245, 113555252), (439, 63373660), (490, 56777626), (878, 31686830), (980, 28388813), (1756, 15843415), (2195, 12674732), (3073, 9053380), (4390, 6337366), (6146, 4526690), (8780, 3168683), (12292, 2263345), (15365, 1810676), (21511, 1293340), (30730, 905338), (43022, 646670), (61460, 452669), (64667, 430220), (86044, 323335), (107555, 258668), (129334, 215110)]