31618330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 61316640

約数和(自身を除く): 29698310

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 139, 215, 230, 278, 430, 529, 695, 989, 1058, 1390, 1978, 2645, 3197, 4945, 5290, 5977, 6394, 9890, 11954, 15985, 22747, 29885, 31970, 45494, 59770, 73531, 113735, 137471, 147062, 227470, 274942, 367655, 687355, 735310, 1374710, 3161833, 6323666, 15809165, 31618330]

約数ペア:

[(1, 31618330), (2, 15809165), (5, 6323666), (10, 3161833), (23, 1374710), (43, 735310), (46, 687355), (86, 367655), (115, 274942), (139, 227470), (215, 147062), (230, 137471), (278, 113735), (430, 73531), (529, 59770), (695, 45494), (989, 31970), (1058, 29885), (1390, 22747), (1978, 15985), (2645, 11954), (3197, 9890), (4945, 6394), (5290, 5977)]