156664700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 355227264

約数和(自身を除く): 198562564

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 97, 100, 124, 155, 194, 310, 388, 485, 521, 620, 775, 970, 1042, 1550, 1940, 2084, 2425, 2605, 3007, 3100, 4850, 5210, 6014, 9700, 10420, 12028, 13025, 15035, 16151, 26050, 30070, 32302, 50537, 52100, 60140, 64604, 75175, 80755, 101074, 150350, 161510, 202148, 252685, 300700, 323020, 403775, 505370, 807550, 1010740, 1263425, 1566647, 1615100, 2526850, 3133294, 5053700, 6266588, 7833235, 15666470, 31332940, 39166175, 78332350, 156664700]

約数ペア:

[(1, 156664700), (2, 78332350), (4, 39166175), (5, 31332940), (10, 15666470), (20, 7833235), (25, 6266588), (31, 5053700), (50, 3133294), (62, 2526850), (97, 1615100), (100, 1566647), (124, 1263425), (155, 1010740), (194, 807550), (310, 505370), (388, 403775), (485, 323020), (521, 300700), (620, 252685), (775, 202148), (970, 161510), (1042, 150350), (1550, 101074), (1940, 80755), (2084, 75175), (2425, 64604), (2605, 60140), (3007, 52100), (3100, 50537), (4850, 32302), (5210, 30070), (6014, 26050), (9700, 16151), (10420, 15035), (12028, 13025)]