206189680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 502253568

約数和(自身を除く): 296063888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1171, 1240, 1420, 2201, 2342, 2480, 2840, 4402, 4684, 5680, 5855, 8804, 9368, 11005, 11710, 17608, 18736, 22010, 23420, 35216, 36301, 44020, 46840, 72602, 83141, 88040, 93680, 145204, 166282, 176080, 181505, 290408, 332564, 363010, 415705, 580816, 665128, 726020, 831410, 1330256, 1452040, 1662820, 2577371, 2904080, 3325640, 5154742, 6651280, 10309484, 12886855, 20618968, 25773710, 41237936, 51547420, 103094840, 206189680]

約数ペア:

[(1, 206189680), (2, 103094840), (4, 51547420), (5, 41237936), (8, 25773710), (10, 20618968), (16, 12886855), (20, 10309484), (31, 6651280), (40, 5154742), (62, 3325640), (71, 2904080), (80, 2577371), (124, 1662820), (142, 1452040), (155, 1330256), (248, 831410), (284, 726020), (310, 665128), (355, 580816), (496, 415705), (568, 363010), (620, 332564), (710, 290408), (1136, 181505), (1171, 176080), (1240, 166282), (1420, 145204), (2201, 93680), (2342, 88040), (2480, 83141), (2840, 72602), (4402, 46840), (4684, 44020), (5680, 36301), (5855, 35216), (8804, 23420), (9368, 22010), (11005, 18736), (11710, 17608)]