139670180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1997}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 317202480

約数和(自身を除く): 177532300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 1997, 2690, 3497, 3994, 5380, 6994, 7988, 9985, 13988, 17485, 19970, 25961, 34970, 39940, 51922, 69940, 103844, 129805, 259610, 519220, 537193, 1074386, 2148772, 2685965, 5371930, 6983509, 10743860, 13967018, 27934036, 34917545, 69835090, 139670180]

約数ペア:

[(1, 139670180), (2, 69835090), (4, 34917545), (5, 27934036), (10, 13967018), (13, 10743860), (20, 6983509), (26, 5371930), (52, 2685965), (65, 2148772), (130, 1074386), (260, 537193), (269, 519220), (538, 259610), (1076, 129805), (1345, 103844), (1997, 69940), (2690, 51922), (3497, 39940), (3994, 34970), (5380, 25961), (6994, 19970), (7988, 17485), (9985, 13988)]