78823700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 180655104

約数和(自身を除く): 101831404

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 155, 188, 235, 310, 470, 541, 620, 775, 940, 1082, 1175, 1457, 1550, 2164, 2350, 2705, 2914, 3100, 4700, 5410, 5828, 7285, 10820, 13525, 14570, 16771, 25427, 27050, 29140, 33542, 36425, 50854, 54100, 67084, 72850, 83855, 101708, 127135, 145700, 167710, 254270, 335420, 419275, 508540, 635675, 788237, 838550, 1271350, 1576474, 1677100, 2542700, 3152948, 3941185, 7882370, 15764740, 19705925, 39411850, 78823700]

約数ペア:

[(1, 78823700), (2, 39411850), (4, 19705925), (5, 15764740), (10, 7882370), (20, 3941185), (25, 3152948), (31, 2542700), (47, 1677100), (50, 1576474), (62, 1271350), (94, 838550), (100, 788237), (124, 635675), (155, 508540), (188, 419275), (235, 335420), (310, 254270), (470, 167710), (541, 145700), (620, 127135), (775, 101708), (940, 83855), (1082, 72850), (1175, 67084), (1457, 54100), (1550, 50854), (2164, 36425), (2350, 33542), (2705, 29140), (2914, 27050), (3100, 25427), (4700, 16771), (5410, 14570), (5828, 13525), (7285, 10820)]