79490740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 200952360

約数和(自身を除く): 121461620

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, 580, 812, 980, 1015, 1421, 2030, 2797, 2842, 4060, 5594, 5684, 7105, 11188, 13985, 14210, 19579, 27970, 28420, 39158, 55940, 78316, 81113, 97895, 137053, 162226, 195790, 274106, 324452, 391580, 405565, 548212, 567791, 685265, 811130, 1135582, 1370530, 1622260, 2271164, 2741060, 2838955, 3974537, 5677910, 7949074, 11355820, 15898148, 19872685, 39745370, 79490740]

約数ペア:

[(1, 79490740), (2, 39745370), (4, 19872685), (5, 15898148), (7, 11355820), (10, 7949074), (14, 5677910), (20, 3974537), (28, 2838955), (29, 2741060), (35, 2271164), (49, 1622260), (58, 1370530), (70, 1135582), (98, 811130), (116, 685265), (140, 567791), (145, 548212), (196, 405565), (203, 391580), (245, 324452), (290, 274106), (406, 195790), (490, 162226), (580, 137053), (812, 97895), (980, 81113), (1015, 78316), (1421, 55940), (2030, 39158), (2797, 28420), (2842, 27970), (4060, 19579), (5594, 14210), (5684, 13985), (7105, 11188)]