177525820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{997}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 387303840

約数和(自身を除く): 209778020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 307, 580, 614, 997, 1228, 1535, 1994, 3070, 3988, 4985, 6140, 8903, 9970, 17806, 19940, 28913, 35612, 44515, 57826, 89030, 115652, 144565, 178060, 289130, 306079, 578260, 612158, 1224316, 1530395, 3060790, 6121580, 8876291, 17752582, 35505164, 44381455, 88762910, 177525820]

約数ペア:

[(1, 177525820), (2, 88762910), (4, 44381455), (5, 35505164), (10, 17752582), (20, 8876291), (29, 6121580), (58, 3060790), (116, 1530395), (145, 1224316), (290, 612158), (307, 578260), (580, 306079), (614, 289130), (997, 178060), (1228, 144565), (1535, 115652), (1994, 89030), (3070, 57826), (3988, 44515), (4985, 35612), (6140, 28913), (8903, 19940), (9970, 17806)]