998049680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 2362014000

約数和(自身を除く): 1363964320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 149, 202, 298, 404, 505, 596, 745, 808, 829, 1010, 1192, 1490, 1616, 1658, 2020, 2384, 2980, 3316, 4040, 4145, 5960, 6632, 8080, 8290, 11920, 13264, 15049, 16580, 30098, 33160, 60196, 66320, 75245, 83729, 120392, 123521, 150490, 167458, 240784, 247042, 300980, 334916, 418645, 494084, 601960, 617605, 669832, 837290, 988168, 1203920, 1235210, 1339664, 1674580, 1976336, 2470420, 3349160, 4940840, 6698320, 9881680, 12475621, 24951242, 49902484, 62378105, 99804968, 124756210, 199609936, 249512420, 499024840, 998049680]

約数ペア:

[(1, 998049680), (2, 499024840), (4, 249512420), (5, 199609936), (8, 124756210), (10, 99804968), (16, 62378105), (20, 49902484), (40, 24951242), (80, 12475621), (101, 9881680), (149, 6698320), (202, 4940840), (298, 3349160), (404, 2470420), (505, 1976336), (596, 1674580), (745, 1339664), (808, 1235210), (829, 1203920), (1010, 988168), (1192, 837290), (1490, 669832), (1616, 617605), (1658, 601960), (2020, 494084), (2384, 418645), (2980, 334916), (3316, 300980), (4040, 247042), (4145, 240784), (5960, 167458), (6632, 150490), (8080, 123521), (8290, 120392), (11920, 83729), (13264, 75245), (15049, 66320), (16580, 60196), (30098, 33160)]