81831010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 159264000

約数和(自身を除く): 77432990

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 499, 529, 713, 998, 1058, 1426, 2495, 2645, 3565, 4990, 5290, 7130, 11477, 15469, 16399, 22954, 30938, 32798, 57385, 77345, 81995, 114770, 154690, 163990, 263971, 355787, 527942, 711574, 1319855, 1778935, 2639710, 3557870, 8183101, 16366202, 40915505, 81831010]

約数ペア:

[(1, 81831010), (2, 40915505), (5, 16366202), (10, 8183101), (23, 3557870), (31, 2639710), (46, 1778935), (62, 1319855), (115, 711574), (155, 527942), (230, 355787), (310, 263971), (499, 163990), (529, 154690), (713, 114770), (998, 81995), (1058, 77345), (1426, 57385), (2495, 32798), (2645, 30938), (3565, 22954), (4990, 16399), (5290, 15469), (7130, 11477)]