200907280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 562249728

約数和(自身を除く): 361342448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 71, 80, 112, 124, 140, 142, 155, 163, 217, 248, 280, 284, 310, 326, 355, 434, 496, 497, 560, 568, 620, 652, 710, 815, 868, 994, 1085, 1136, 1141, 1240, 1304, 1420, 1630, 1736, 1988, 2170, 2201, 2282, 2480, 2485, 2608, 2840, 3260, 3472, 3976, 4340, 4402, 4564, 4970, 5053, 5680, 5705, 6520, 7952, 8680, 8804, 9128, 9940, 10106, 11005, 11410, 11573, 13040, 15407, 17360, 17608, 18256, 19880, 20212, 22010, 22820, 23146, 25265, 30814, 35216, 35371, 39760, 40424, 44020, 45640, 46292, 50530, 57865, 61628, 70742, 77035, 80848, 81011, 88040, 91280, 92584, 101060, 115730, 123256, 141484, 154070, 162022, 176080, 176855, 185168, 202120, 231460, 246512, 282968, 308140, 324044, 353710, 358763, 404240, 405055, 462920, 565936, 616280, 648088, 707420, 717526, 810110, 925840, 1232560, 1296176, 1414840, 1435052, 1620220, 1793815, 2511341, 2829680, 2870104, 3240440, 3587630, 5022682, 5740208, 6480880, 7175260, 10045364, 12556705, 14350520, 20090728, 25113410, 28701040, 40181456, 50226820, 100453640, 200907280]

約数ペア:

[(1, 200907280), (2, 100453640), (4, 50226820), (5, 40181456), (7, 28701040), (8, 25113410), (10, 20090728), (14, 14350520), (16, 12556705), (20, 10045364), (28, 7175260), (31, 6480880), (35, 5740208), (40, 5022682), (56, 3587630), (62, 3240440), (70, 2870104), (71, 2829680), (80, 2511341), (112, 1793815), (124, 1620220), (140, 1435052), (142, 1414840), (155, 1296176), (163, 1232560), (217, 925840), (248, 810110), (280, 717526), (284, 707420), (310, 648088), (326, 616280), (355, 565936), (434, 462920), (496, 405055), (497, 404240), (560, 358763), (568, 353710), (620, 324044), (652, 308140), (710, 282968), (815, 246512), (868, 231460), (994, 202120), (1085, 185168), (1136, 176855), (1141, 176080), (1240, 162022), (1304, 154070), (1420, 141484), (1630, 123256), (1736, 115730), (1988, 101060), (2170, 92584), (2201, 91280), (2282, 88040), (2480, 81011), (2485, 80848), (2608, 77035), (2840, 70742), (3260, 61628), (3472, 57865), (3976, 50530), (4340, 46292), (4402, 45640), (4564, 44020), (4970, 40424), (5053, 39760), (5680, 35371), (5705, 35216), (6520, 30814), (7952, 25265), (8680, 23146), (8804, 22820), (9128, 22010), (9940, 20212), (10106, 19880), (11005, 18256), (11410, 17608), (11573, 17360), (13040, 15407)]