161587790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25367}}^1$

素因数の和:25401

約数の個数: 48

約数和(自身を含む): 364385952

約数和(自身を除く): 202798162

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 25367, 50734, 126835, 177569, 253670, 329771, 355138, 659542, 887845, 1242983, 1648855, 1775690, 2308397, 2485966, 3297710, 4616794, 6214915, 11541985, 12429830, 16158779, 23083970, 32317558, 80793895, 161587790]

約数ペア:

[(1, 161587790), (2, 80793895), (5, 32317558), (7, 23083970), (10, 16158779), (13, 12429830), (14, 11541985), (26, 6214915), (35, 4616794), (49, 3297710), (65, 2485966), (70, 2308397), (91, 1775690), (98, 1648855), (130, 1242983), (182, 887845), (245, 659542), (455, 355138), (490, 329771), (637, 253670), (910, 177569), (1274, 126835), (3185, 50734), (6370, 25367)]