16698220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 27830180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1549, 2156, 2695, 3098, 5390, 6196, 7745, 10780, 10843, 15490, 17039, 21686, 30980, 34078, 43372, 54215, 68156, 75901, 85195, 108430, 119273, 151802, 170390, 216860, 238546, 303604, 340780, 379505, 477092, 596365, 759010, 834911, 1192730, 1518020, 1669822, 2385460, 3339644, 4174555, 8349110, 16698220]

約数ペア:

[(1, 16698220), (2, 8349110), (4, 4174555), (5, 3339644), (7, 2385460), (10, 1669822), (11, 1518020), (14, 1192730), (20, 834911), (22, 759010), (28, 596365), (35, 477092), (44, 379505), (49, 340780), (55, 303604), (70, 238546), (77, 216860), (98, 170390), (110, 151802), (140, 119273), (154, 108430), (196, 85195), (220, 75901), (245, 68156), (308, 54215), (385, 43372), (490, 34078), (539, 30980), (770, 21686), (980, 17039), (1078, 15490), (1540, 10843), (1549, 10780), (2156, 7745), (2695, 6196), (3098, 5390)]