25535860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 63431424

約数和(自身を除く): 37895564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 367, 490, 497, 710, 734, 980, 994, 1420, 1468, 1835, 1988, 2485, 2569, 3479, 3670, 4970, 5138, 6958, 7340, 9940, 10276, 12845, 13916, 17395, 17983, 25690, 26057, 34790, 35966, 51380, 52114, 69580, 71932, 89915, 104228, 130285, 179830, 182399, 260570, 359660, 364798, 521140, 729596, 911995, 1276793, 1823990, 2553586, 3647980, 5107172, 6383965, 12767930, 25535860]

約数ペア:

[(1, 25535860), (2, 12767930), (4, 6383965), (5, 5107172), (7, 3647980), (10, 2553586), (14, 1823990), (20, 1276793), (28, 911995), (35, 729596), (49, 521140), (70, 364798), (71, 359660), (98, 260570), (140, 182399), (142, 179830), (196, 130285), (245, 104228), (284, 89915), (355, 71932), (367, 69580), (490, 52114), (497, 51380), (710, 35966), (734, 34790), (980, 26057), (994, 25690), (1420, 17983), (1468, 17395), (1835, 13916), (1988, 12845), (2485, 10276), (2569, 9940), (3479, 7340), (3670, 6958), (4970, 5138)]