359397740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19469}}^1$

素因数の和:19562

約数の個数: 48

約数和(自身を含む): 824281920

約数和(自身を除く): 464884180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 19469, 38938, 77876, 97345, 194690, 253097, 389380, 506194, 1012388, 1265485, 1382299, 2530970, 2764598, 5061940, 5529196, 6911495, 13822990, 17969887, 27645980, 35939774, 71879548, 89849435, 179698870, 359397740]

約数ペア:

[(1, 359397740), (2, 179698870), (4, 89849435), (5, 71879548), (10, 35939774), (13, 27645980), (20, 17969887), (26, 13822990), (52, 6911495), (65, 5529196), (71, 5061940), (130, 2764598), (142, 2530970), (260, 1382299), (284, 1265485), (355, 1012388), (710, 506194), (923, 389380), (1420, 253097), (1846, 194690), (3692, 97345), (4615, 77876), (9230, 38938), (18460, 19469)]