78694850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 162020880

約数和(自身を除く): 83326030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 139, 169, 278, 325, 335, 338, 650, 670, 695, 845, 871, 1390, 1675, 1690, 1742, 1807, 3350, 3475, 3614, 4225, 4355, 6950, 8450, 8710, 9035, 9313, 11323, 18070, 18626, 21775, 22646, 23491, 43550, 45175, 46565, 46982, 56615, 90350, 93130, 113230, 117455, 121069, 232825, 234910, 242138, 283075, 465650, 566150, 587275, 605345, 1174550, 1210690, 1573897, 3026725, 3147794, 6053450, 7869485, 15738970, 39347425, 78694850]

約数ペア:

[(1, 78694850), (2, 39347425), (5, 15738970), (10, 7869485), (13, 6053450), (25, 3147794), (26, 3026725), (50, 1573897), (65, 1210690), (67, 1174550), (130, 605345), (134, 587275), (139, 566150), (169, 465650), (278, 283075), (325, 242138), (335, 234910), (338, 232825), (650, 121069), (670, 117455), (695, 113230), (845, 93130), (871, 90350), (1390, 56615), (1675, 46982), (1690, 46565), (1742, 45175), (1807, 43550), (3350, 23491), (3475, 22646), (3614, 21775), (4225, 18626), (4355, 18070), (6950, 11323), (8450, 9313), (8710, 9035)]