15498140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 38406144

約数和(自身を除く): 22908004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3571, 4340, 7142, 14284, 17855, 24997, 35710, 49994, 71420, 99988, 110701, 124985, 221402, 249970, 442804, 499940, 553505, 774907, 1107010, 1549814, 2214020, 3099628, 3874535, 7749070, 15498140]

約数ペア:

[(1, 15498140), (2, 7749070), (4, 3874535), (5, 3099628), (7, 2214020), (10, 1549814), (14, 1107010), (20, 774907), (28, 553505), (31, 499940), (35, 442804), (62, 249970), (70, 221402), (124, 124985), (140, 110701), (155, 99988), (217, 71420), (310, 49994), (434, 35710), (620, 24997), (868, 17855), (1085, 14284), (2170, 7142), (3571, 4340)]