901319620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1911889728

約数和(自身を除く): 1010570108

約数列:

[1, 2, 4, 5, 10, 20, 173, 331, 346, 662, 692, 787, 865, 1324, 1574, 1655, 1730, 3148, 3310, 3460, 3935, 6620, 7870, 15740, 57263, 114526, 136151, 229052, 260497, 272302, 286315, 520994, 544604, 572630, 680755, 1041988, 1145260, 1302485, 1361510, 2604970, 2723020, 5209940, 45065981, 90131962, 180263924, 225329905, 450659810, 901319620]

約数ペア:

[(1, 901319620), (2, 450659810), (4, 225329905), (5, 180263924), (10, 90131962), (20, 45065981), (173, 5209940), (331, 2723020), (346, 2604970), (662, 1361510), (692, 1302485), (787, 1145260), (865, 1041988), (1324, 680755), (1574, 572630), (1655, 544604), (1730, 520994), (3148, 286315), (3310, 272302), (3460, 260497), (3935, 229052), (6620, 136151), (7870, 114526), (15740, 57263)]