204485180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 481904640

約数和(自身を除く): 277419460

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 79, 85, 92, 115, 158, 170, 230, 316, 331, 340, 391, 395, 460, 662, 782, 790, 1324, 1343, 1564, 1580, 1655, 1817, 1955, 2686, 3310, 3634, 3910, 5372, 5627, 6620, 6715, 7268, 7613, 7820, 9085, 11254, 13430, 15226, 18170, 22508, 26149, 26860, 28135, 30452, 30889, 36340, 38065, 52298, 56270, 61778, 76130, 104596, 112540, 123556, 129421, 130745, 152260, 154445, 258842, 261490, 308890, 444533, 517684, 522980, 601427, 617780, 647105, 889066, 1202854, 1294210, 1778132, 2222665, 2405708, 2588420, 3007135, 4445330, 6014270, 8890660, 10224259, 12028540, 20448518, 40897036, 51121295, 102242590, 204485180]

約数ペア:

[(1, 204485180), (2, 102242590), (4, 51121295), (5, 40897036), (10, 20448518), (17, 12028540), (20, 10224259), (23, 8890660), (34, 6014270), (46, 4445330), (68, 3007135), (79, 2588420), (85, 2405708), (92, 2222665), (115, 1778132), (158, 1294210), (170, 1202854), (230, 889066), (316, 647105), (331, 617780), (340, 601427), (391, 522980), (395, 517684), (460, 444533), (662, 308890), (782, 261490), (790, 258842), (1324, 154445), (1343, 152260), (1564, 130745), (1580, 129421), (1655, 123556), (1817, 112540), (1955, 104596), (2686, 76130), (3310, 61778), (3634, 56270), (3910, 52298), (5372, 38065), (5627, 36340), (6620, 30889), (6715, 30452), (7268, 28135), (7613, 26860), (7820, 26149), (9085, 22508), (11254, 18170), (13430, 15226)]