99731000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 255528000

約数和(自身を除く): 155797000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 76, 95, 100, 116, 125, 145, 152, 181, 190, 200, 232, 250, 290, 362, 380, 475, 500, 551, 580, 724, 725, 760, 905, 950, 1000, 1102, 1160, 1448, 1450, 1810, 1900, 2204, 2375, 2755, 2900, 3439, 3620, 3625, 3800, 4408, 4525, 4750, 5249, 5510, 5800, 6878, 7240, 7250, 9050, 9500, 10498, 11020, 13756, 13775, 14500, 17195, 18100, 19000, 20996, 22040, 22625, 26245, 27512, 27550, 29000, 34390, 36200, 41992, 45250, 52490, 55100, 68780, 68875, 85975, 90500, 99731, 104980, 110200, 131225, 137560, 137750, 171950, 181000, 199462, 209960, 262450, 275500, 343900, 398924, 429875, 498655, 524900, 551000, 656125, 687800, 797848, 859750, 997310, 1049800, 1312250, 1719500, 1994620, 2493275, 2624500, 3439000, 3989240, 4986550, 5249000, 9973100, 12466375, 19946200, 24932750, 49865500, 99731000]

約数ペア:

[(1, 99731000), (2, 49865500), (4, 24932750), (5, 19946200), (8, 12466375), (10, 9973100), (19, 5249000), (20, 4986550), (25, 3989240), (29, 3439000), (38, 2624500), (40, 2493275), (50, 1994620), (58, 1719500), (76, 1312250), (95, 1049800), (100, 997310), (116, 859750), (125, 797848), (145, 687800), (152, 656125), (181, 551000), (190, 524900), (200, 498655), (232, 429875), (250, 398924), (290, 343900), (362, 275500), (380, 262450), (475, 209960), (500, 199462), (551, 181000), (580, 171950), (724, 137750), (725, 137560), (760, 131225), (905, 110200), (950, 104980), (1000, 99731), (1102, 90500), (1160, 85975), (1448, 68875), (1450, 68780), (1810, 55100), (1900, 52490), (2204, 45250), (2375, 41992), (2755, 36200), (2900, 34390), (3439, 29000), (3620, 27550), (3625, 27512), (3800, 26245), (4408, 22625), (4525, 22040), (4750, 20996), (5249, 19000), (5510, 18100), (5800, 17195), (6878, 14500), (7240, 13775), (7250, 13756), (9050, 11020), (9500, 10498)]