90434020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 194685120

約数和(自身を除く): 104251100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 173, 236, 295, 346, 443, 590, 692, 865, 886, 1180, 1730, 1772, 2215, 3460, 4430, 8860, 10207, 20414, 26137, 40828, 51035, 52274, 76639, 102070, 104548, 130685, 153278, 204140, 261370, 306556, 383195, 522740, 766390, 1532780, 4521701, 9043402, 18086804, 22608505, 45217010, 90434020]

約数ペア:

[(1, 90434020), (2, 45217010), (4, 22608505), (5, 18086804), (10, 9043402), (20, 4521701), (59, 1532780), (118, 766390), (173, 522740), (236, 383195), (295, 306556), (346, 261370), (443, 204140), (590, 153278), (692, 130685), (865, 104548), (886, 102070), (1180, 76639), (1730, 52274), (1772, 51035), (2215, 40828), (3460, 26137), (4430, 20414), (8860, 10207)]