200459980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 515725056

約数和(自身を除く): 315265076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 67, 70, 71, 86, 98, 134, 140, 142, 172, 196, 215, 245, 268, 284, 301, 335, 355, 430, 469, 490, 497, 602, 670, 710, 860, 938, 980, 994, 1204, 1340, 1420, 1505, 1876, 1988, 2107, 2345, 2485, 2881, 3010, 3053, 3283, 3479, 4214, 4690, 4757, 4970, 5762, 6020, 6106, 6566, 6958, 8428, 9380, 9514, 9940, 10535, 11524, 12212, 13132, 13916, 14405, 15265, 16415, 17395, 19028, 20167, 21070, 21371, 23785, 28810, 30530, 32830, 33299, 34790, 40334, 42140, 42742, 47570, 57620, 61060, 65660, 66598, 69580, 80668, 85484, 95140, 100835, 106855, 133196, 141169, 149597, 166495, 201670, 204551, 213710, 233093, 282338, 299194, 332990, 403340, 409102, 427420, 466186, 564676, 598388, 665980, 705845, 747985, 818204, 932372, 1022755, 1165465, 1411690, 1431857, 1495970, 2045510, 2330930, 2823380, 2863714, 2991940, 4091020, 4661860, 5727428, 7159285, 10022999, 14318570, 20045998, 28637140, 40091996, 50114995, 100229990, 200459980]

約数ペア:

[(1, 200459980), (2, 100229990), (4, 50114995), (5, 40091996), (7, 28637140), (10, 20045998), (14, 14318570), (20, 10022999), (28, 7159285), (35, 5727428), (43, 4661860), (49, 4091020), (67, 2991940), (70, 2863714), (71, 2823380), (86, 2330930), (98, 2045510), (134, 1495970), (140, 1431857), (142, 1411690), (172, 1165465), (196, 1022755), (215, 932372), (245, 818204), (268, 747985), (284, 705845), (301, 665980), (335, 598388), (355, 564676), (430, 466186), (469, 427420), (490, 409102), (497, 403340), (602, 332990), (670, 299194), (710, 282338), (860, 233093), (938, 213710), (980, 204551), (994, 201670), (1204, 166495), (1340, 149597), (1420, 141169), (1505, 133196), (1876, 106855), (1988, 100835), (2107, 95140), (2345, 85484), (2485, 80668), (2881, 69580), (3010, 66598), (3053, 65660), (3283, 61060), (3479, 57620), (4214, 47570), (4690, 42742), (4757, 42140), (4970, 40334), (5762, 34790), (6020, 33299), (6106, 32830), (6566, 30530), (6958, 28810), (8428, 23785), (9380, 21371), (9514, 21070), (9940, 20167), (10535, 19028), (11524, 17395), (12212, 16415), (13132, 15265), (13916, 14405)]