2018220100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67499}}^1$

素因数の和:67549

約数の個数: 72

約数和(自身を含む): 4921560000

約数和(自身を除く): 2903339900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 1150, 1196, 1300, 1495, 2300, 2990, 5980, 7475, 14950, 29900, 67499, 134998, 269996, 337495, 674990, 877487, 1349980, 1552477, 1687475, 1754974, 3104954, 3374950, 3509948, 4387435, 6209908, 6749900, 7762385, 8774870, 15524770, 17549740, 20182201, 21937175, 31049540, 38811925, 40364402, 43874350, 77623850, 80728804, 87748700, 100911005, 155247700, 201822010, 403644020, 504555025, 1009110050, 2018220100]

約数ペア:

[(1, 2018220100), (2, 1009110050), (4, 504555025), (5, 403644020), (10, 201822010), (13, 155247700), (20, 100911005), (23, 87748700), (25, 80728804), (26, 77623850), (46, 43874350), (50, 40364402), (52, 38811925), (65, 31049540), (92, 21937175), (100, 20182201), (115, 17549740), (130, 15524770), (230, 8774870), (260, 7762385), (299, 6749900), (325, 6209908), (460, 4387435), (575, 3509948), (598, 3374950), (650, 3104954), (1150, 1754974), (1196, 1687475), (1300, 1552477), (1495, 1349980), (2300, 877487), (2990, 674990), (5980, 337495), (7475, 269996), (14950, 134998), (29900, 67499)]