187449940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 403449984

約数和(自身を除く): 216000044

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 1010, 1307, 1420, 2020, 2614, 5228, 6535, 7171, 13070, 14342, 26140, 28684, 35855, 71710, 92797, 132007, 143420, 185594, 264014, 371188, 463985, 528028, 660035, 927970, 1320070, 1855940, 2640140, 9372497, 18744994, 37489988, 46862485, 93724970, 187449940]

約数ペア:

[(1, 187449940), (2, 93724970), (4, 46862485), (5, 37489988), (10, 18744994), (20, 9372497), (71, 2640140), (101, 1855940), (142, 1320070), (202, 927970), (284, 660035), (355, 528028), (404, 463985), (505, 371188), (710, 264014), (1010, 185594), (1307, 143420), (1420, 132007), (2020, 92797), (2614, 71710), (5228, 35855), (6535, 28684), (7171, 26140), (13070, 14342)]