87728900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5449}}^1$

素因数の和:5493

約数の個数: 72

約数和(自身を含む): 227068800

約数和(自身を除く): 139339900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 5449, 8050, 10898, 16100, 21796, 27245, 38143, 54490, 76286, 108980, 125327, 136225, 152572, 190715, 250654, 272450, 381430, 501308, 544900, 626635, 762860, 877289, 953575, 1253270, 1754578, 1907150, 2506540, 3133175, 3509156, 3814300, 4386445, 6266350, 8772890, 12532700, 17545780, 21932225, 43864450, 87728900]

約数ペア:

[(1, 87728900), (2, 43864450), (4, 21932225), (5, 17545780), (7, 12532700), (10, 8772890), (14, 6266350), (20, 4386445), (23, 3814300), (25, 3509156), (28, 3133175), (35, 2506540), (46, 1907150), (50, 1754578), (70, 1253270), (92, 953575), (100, 877289), (115, 762860), (140, 626635), (161, 544900), (175, 501308), (230, 381430), (322, 272450), (350, 250654), (460, 190715), (575, 152572), (644, 136225), (700, 125327), (805, 108980), (1150, 76286), (1610, 54490), (2300, 38143), (3220, 27245), (4025, 21796), (5449, 16100), (8050, 10898)]