217291750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 455626080

約数和(自身を除く): 238334330

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 139, 169, 185, 250, 278, 325, 338, 370, 481, 650, 695, 845, 925, 962, 1390, 1625, 1690, 1807, 1850, 2405, 3250, 3475, 3614, 4225, 4625, 4810, 5143, 6253, 6950, 8450, 9035, 9250, 10286, 12025, 12506, 17375, 18070, 21125, 23491, 24050, 25715, 31265, 34750, 42250, 45175, 46982, 51430, 60125, 62530, 66859, 90350, 117455, 120250, 128575, 133718, 156325, 225875, 234910, 257150, 312650, 334295, 451750, 587275, 642875, 668590, 781625, 869167, 1174550, 1285750, 1563250, 1671475, 1738334, 2936375, 3342950, 4345835, 5872750, 8357375, 8691670, 16714750, 21729175, 43458350, 108645875, 217291750]

約数ペア:

[(1, 217291750), (2, 108645875), (5, 43458350), (10, 21729175), (13, 16714750), (25, 8691670), (26, 8357375), (37, 5872750), (50, 4345835), (65, 3342950), (74, 2936375), (125, 1738334), (130, 1671475), (139, 1563250), (169, 1285750), (185, 1174550), (250, 869167), (278, 781625), (325, 668590), (338, 642875), (370, 587275), (481, 451750), (650, 334295), (695, 312650), (845, 257150), (925, 234910), (962, 225875), (1390, 156325), (1625, 133718), (1690, 128575), (1807, 120250), (1850, 117455), (2405, 90350), (3250, 66859), (3475, 62530), (3614, 60125), (4225, 51430), (4625, 46982), (4810, 45175), (5143, 42250), (6253, 34750), (6950, 31265), (8450, 25715), (9035, 24050), (9250, 23491), (10286, 21125), (12025, 18070), (12506, 17375)]