427693240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2927}}^1$

素因数の和:3232

約数の個数: 64

約数和(自身を含む): 1040376960

約数和(自身を除く): 612683720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 1124, 1405, 2248, 2810, 2927, 3653, 5620, 5854, 7306, 11240, 11708, 14612, 14635, 18265, 23416, 29224, 29270, 36530, 38051, 58540, 73060, 76102, 117080, 146120, 152204, 190255, 304408, 380510, 761020, 822487, 1522040, 1644974, 3289948, 4112435, 6579896, 8224870, 10692331, 16449740, 21384662, 32899480, 42769324, 53461655, 85538648, 106923310, 213846620, 427693240]

約数ペア:

[(1, 427693240), (2, 213846620), (4, 106923310), (5, 85538648), (8, 53461655), (10, 42769324), (13, 32899480), (20, 21384662), (26, 16449740), (40, 10692331), (52, 8224870), (65, 6579896), (104, 4112435), (130, 3289948), (260, 1644974), (281, 1522040), (520, 822487), (562, 761020), (1124, 380510), (1405, 304408), (2248, 190255), (2810, 152204), (2927, 146120), (3653, 117080), (5620, 76102), (5854, 73060), (7306, 58540), (11240, 38051), (11708, 36530), (14612, 29270), (14635, 29224), (18265, 23416)]