277777240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10079}}^1$

素因数の和:10156

約数の個数: 64

約数和(自身を含む): 685843200

約数和(自身を除く): 408065960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 10079, 13780, 20158, 27560, 40316, 50395, 80632, 100790, 131027, 201580, 262054, 403160, 524108, 534187, 655135, 1048216, 1068374, 1310270, 2136748, 2620540, 2670935, 4273496, 5241080, 5341870, 6944431, 10683740, 13888862, 21367480, 27777724, 34722155, 55555448, 69444310, 138888620, 277777240]

約数ペア:

[(1, 277777240), (2, 138888620), (4, 69444310), (5, 55555448), (8, 34722155), (10, 27777724), (13, 21367480), (20, 13888862), (26, 10683740), (40, 6944431), (52, 5341870), (53, 5241080), (65, 4273496), (104, 2670935), (106, 2620540), (130, 2136748), (212, 1310270), (260, 1068374), (265, 1048216), (424, 655135), (520, 534187), (530, 524108), (689, 403160), (1060, 262054), (1378, 201580), (2120, 131027), (2756, 100790), (3445, 80632), (5512, 50395), (6890, 40316), (10079, 27560), (13780, 20158)]