78089240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2777}}^1$

素因数の和:2844

約数の個数: 64

約数和(自身を含む): 190015200

約数和(自身を除く): 111925960

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, 2777, 2812, 3515, 5554, 5624, 7030, 11108, 13885, 14060, 22216, 27770, 28120, 52763, 55540, 102749, 105526, 111080, 205498, 211052, 263815, 410996, 422104, 513745, 527630, 821992, 1027490, 1055260, 1952231, 2054980, 2110520, 3904462, 4109960, 7808924, 9761155, 15617848, 19522310, 39044620, 78089240]

約数ペア:

[(1, 78089240), (2, 39044620), (4, 19522310), (5, 15617848), (8, 9761155), (10, 7808924), (19, 4109960), (20, 3904462), (37, 2110520), (38, 2054980), (40, 1952231), (74, 1055260), (76, 1027490), (95, 821992), (148, 527630), (152, 513745), (185, 422104), (190, 410996), (296, 263815), (370, 211052), (380, 205498), (703, 111080), (740, 105526), (760, 102749), (1406, 55540), (1480, 52763), (2777, 28120), (2812, 27770), (3515, 22216), (5554, 14060), (5624, 13885), (7030, 11108)]