16398340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 41511960

約数和(自身を除く): 25113620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 577, 580, 812, 980, 1015, 1154, 1421, 2030, 2308, 2842, 2885, 4039, 4060, 5684, 5770, 7105, 8078, 11540, 14210, 16156, 16733, 20195, 28273, 28420, 33466, 40390, 56546, 66932, 80780, 83665, 113092, 117131, 141365, 167330, 234262, 282730, 334660, 468524, 565460, 585655, 819917, 1171310, 1639834, 2342620, 3279668, 4099585, 8199170, 16398340]

約数ペア:

[(1, 16398340), (2, 8199170), (4, 4099585), (5, 3279668), (7, 2342620), (10, 1639834), (14, 1171310), (20, 819917), (28, 585655), (29, 565460), (35, 468524), (49, 334660), (58, 282730), (70, 234262), (98, 167330), (116, 141365), (140, 117131), (145, 113092), (196, 83665), (203, 80780), (245, 66932), (290, 56546), (406, 40390), (490, 33466), (577, 28420), (580, 28273), (812, 20195), (980, 16733), (1015, 16156), (1154, 14210), (1421, 11540), (2030, 8078), (2308, 7105), (2842, 5770), (2885, 5684), (4039, 4060)]