16625420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 23593780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 797, 1043, 1490, 1594, 2086, 2980, 3188, 3985, 4172, 5215, 5579, 7970, 10430, 11158, 15940, 20860, 22316, 27895, 55790, 111580, 118753, 237506, 475012, 593765, 831271, 1187530, 1662542, 2375060, 3325084, 4156355, 8312710, 16625420]

約数ペア:

[(1, 16625420), (2, 8312710), (4, 4156355), (5, 3325084), (7, 2375060), (10, 1662542), (14, 1187530), (20, 831271), (28, 593765), (35, 475012), (70, 237506), (140, 118753), (149, 111580), (298, 55790), (596, 27895), (745, 22316), (797, 20860), (1043, 15940), (1490, 11158), (1594, 10430), (2086, 7970), (2980, 5579), (3188, 5215), (3985, 4172)]