1870294020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4453081}}^1$

素因数の和:4453100

約数の個数: 48

約数和(自身を含む): 5984942208

約数和(自身を除く): 4114648188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4453081, 8906162, 13359243, 17812324, 22265405, 26718486, 31171567, 44530810, 53436972, 62343134, 66796215, 89061620, 93514701, 124686268, 133592430, 155857835, 187029402, 267184860, 311715670, 374058804, 467573505, 623431340, 935147010, 1870294020]

約数ペア:

[(1, 1870294020), (2, 935147010), (3, 623431340), (4, 467573505), (5, 374058804), (6, 311715670), (7, 267184860), (10, 187029402), (12, 155857835), (14, 133592430), (15, 124686268), (20, 93514701), (21, 89061620), (28, 66796215), (30, 62343134), (35, 53436972), (42, 44530810), (60, 31171567), (70, 26718486), (84, 22265405), (105, 17812324), (140, 13359243), (210, 8906162), (420, 4453081)]