304428680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2531}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 714631680

約数和(自身を除く): 410203000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1940, 2531, 3007, 3880, 5062, 6014, 10124, 12028, 12655, 15035, 20248, 24056, 25310, 30070, 50620, 60140, 78461, 101240, 120280, 156922, 245507, 313844, 392305, 491014, 627688, 784610, 982028, 1227535, 1569220, 1964056, 2455070, 3138440, 4910140, 7610717, 9820280, 15221434, 30442868, 38053585, 60885736, 76107170, 152214340, 304428680]

約数ペア:

[(1, 304428680), (2, 152214340), (4, 76107170), (5, 60885736), (8, 38053585), (10, 30442868), (20, 15221434), (31, 9820280), (40, 7610717), (62, 4910140), (97, 3138440), (124, 2455070), (155, 1964056), (194, 1569220), (248, 1227535), (310, 982028), (388, 784610), (485, 627688), (620, 491014), (776, 392305), (970, 313844), (1240, 245507), (1940, 156922), (2531, 120280), (3007, 101240), (3880, 78461), (5062, 60140), (6014, 50620), (10124, 30070), (12028, 25310), (12655, 24056), (15035, 20248)]