77301880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 64

約数和(自身を含む): 188100000

約数和(自身を除く): 110798120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2749, 2812, 3515, 5498, 5624, 7030, 10996, 13745, 14060, 21992, 27490, 28120, 52231, 54980, 101713, 104462, 109960, 203426, 208924, 261155, 406852, 417848, 508565, 522310, 813704, 1017130, 1044620, 1932547, 2034260, 2089240, 3865094, 4068520, 7730188, 9662735, 15460376, 19325470, 38650940, 77301880]

約数ペア:

[(1, 77301880), (2, 38650940), (4, 19325470), (5, 15460376), (8, 9662735), (10, 7730188), (19, 4068520), (20, 3865094), (37, 2089240), (38, 2034260), (40, 1932547), (74, 1044620), (76, 1017130), (95, 813704), (148, 522310), (152, 508565), (185, 417848), (190, 406852), (296, 261155), (370, 208924), (380, 203426), (703, 109960), (740, 104462), (760, 101713), (1406, 54980), (1480, 52231), (2749, 28120), (2812, 27490), (3515, 21992), (5498, 14060), (5624, 13745), (7030, 10996)]