159181000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 421200000

約数和(自身を除く): 262019000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 125, 145, 200, 220, 232, 250, 275, 290, 319, 440, 499, 500, 550, 580, 638, 725, 998, 1000, 1100, 1160, 1276, 1375, 1450, 1595, 1996, 2200, 2495, 2552, 2750, 2900, 3190, 3625, 3992, 4990, 5489, 5500, 5800, 6380, 7250, 7975, 9980, 10978, 11000, 12475, 12760, 14471, 14500, 15950, 19960, 21956, 24950, 27445, 28942, 29000, 31900, 39875, 43912, 49900, 54890, 57884, 62375, 63800, 72355, 79750, 99800, 109780, 115768, 124750, 137225, 144710, 159181, 159500, 219560, 249500, 274450, 289420, 318362, 319000, 361775, 499000, 548900, 578840, 636724, 686125, 723550, 795905, 1097800, 1273448, 1372250, 1447100, 1591810, 1808875, 2744500, 2894200, 3183620, 3617750, 3979525, 5489000, 6367240, 7235500, 7959050, 14471000, 15918100, 19897625, 31836200, 39795250, 79590500, 159181000]

約数ペア:

[(1, 159181000), (2, 79590500), (4, 39795250), (5, 31836200), (8, 19897625), (10, 15918100), (11, 14471000), (20, 7959050), (22, 7235500), (25, 6367240), (29, 5489000), (40, 3979525), (44, 3617750), (50, 3183620), (55, 2894200), (58, 2744500), (88, 1808875), (100, 1591810), (110, 1447100), (116, 1372250), (125, 1273448), (145, 1097800), (200, 795905), (220, 723550), (232, 686125), (250, 636724), (275, 578840), (290, 548900), (319, 499000), (440, 361775), (499, 319000), (500, 318362), (550, 289420), (580, 274450), (638, 249500), (725, 219560), (998, 159500), (1000, 159181), (1100, 144710), (1160, 137225), (1276, 124750), (1375, 115768), (1450, 109780), (1595, 99800), (1996, 79750), (2200, 72355), (2495, 63800), (2552, 62375), (2750, 57884), (2900, 54890), (3190, 49900), (3625, 43912), (3992, 39875), (4990, 31900), (5489, 29000), (5500, 28942), (5800, 27445), (6380, 24950), (7250, 21956), (7975, 19960), (9980, 15950), (10978, 14500), (11000, 14471), (12475, 12760)]