31106810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 67257216

約数和(自身を除く): 36150406

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 139, 161, 230, 278, 322, 695, 805, 973, 1390, 1610, 1946, 3197, 4865, 6394, 9730, 15985, 19321, 22379, 31970, 38642, 44758, 96605, 111895, 135247, 193210, 223790, 270494, 444383, 676235, 888766, 1352470, 2221915, 3110681, 4443830, 6221362, 15553405, 31106810]

約数ペア:

[(1, 31106810), (2, 15553405), (5, 6221362), (7, 4443830), (10, 3110681), (14, 2221915), (23, 1352470), (35, 888766), (46, 676235), (70, 444383), (115, 270494), (139, 223790), (161, 193210), (230, 135247), (278, 111895), (322, 96605), (695, 44758), (805, 38642), (973, 31970), (1390, 22379), (1610, 19321), (1946, 15985), (3197, 9730), (4865, 6394)]