179957180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{823}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 422009952

約数和(自身を除く): 242052772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 823, 841, 1508, 1646, 1682, 1885, 3292, 3364, 3770, 4115, 4205, 7540, 8230, 8410, 10699, 10933, 16460, 16820, 21398, 21866, 23867, 42796, 43732, 47734, 53495, 54665, 95468, 106990, 109330, 119335, 213980, 218660, 238670, 310271, 477340, 620542, 692143, 1241084, 1384286, 1551355, 2768572, 3102710, 3460715, 6205420, 6921430, 8997859, 13842860, 17995718, 35991436, 44989295, 89978590, 179957180]

約数ペア:

[(1, 179957180), (2, 89978590), (4, 44989295), (5, 35991436), (10, 17995718), (13, 13842860), (20, 8997859), (26, 6921430), (29, 6205420), (52, 3460715), (58, 3102710), (65, 2768572), (116, 1551355), (130, 1384286), (145, 1241084), (260, 692143), (290, 620542), (377, 477340), (580, 310271), (754, 238670), (823, 218660), (841, 213980), (1508, 119335), (1646, 109330), (1682, 106990), (1885, 95468), (3292, 54665), (3364, 53495), (3770, 47734), (4115, 43732), (4205, 42796), (7540, 23867), (8230, 21866), (8410, 21398), (10699, 16820), (10933, 16460)]