77312450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{1609}}^1$

素因数の和:1683

約数の個数: 36

約数和(自身を含む): 148681890

約数和(自身を除く): 71369440

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 961, 1550, 1609, 1922, 3218, 4805, 8045, 9610, 16090, 24025, 40225, 48050, 49879, 80450, 99758, 249395, 498790, 1246975, 1546249, 2493950, 3092498, 7731245, 15462490, 38656225, 77312450]

約数ペア:

[(1, 77312450), (2, 38656225), (5, 15462490), (10, 7731245), (25, 3092498), (31, 2493950), (50, 1546249), (62, 1246975), (155, 498790), (310, 249395), (775, 99758), (961, 80450), (1550, 49879), (1609, 48050), (1922, 40225), (3218, 24025), (4805, 16090), (8045, 9610)]