20172773600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{7219}}^1$

素因数の和:7745

約数の個数: 144

約数和(自身を含む): 56402640000

約数和(自身を除く): 36229866400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 499, 560, 700, 800, 998, 1120, 1400, 1996, 2495, 2800, 3493, 3992, 4990, 5600, 6986, 7219, 7984, 9980, 12475, 13972, 14438, 15968, 17465, 19960, 24950, 27944, 28876, 34930, 36095, 39920, 49900, 50533, 55888, 57752, 69860, 72190, 79840, 87325, 99800, 101066, 111776, 115504, 139720, 144380, 174650, 180475, 199600, 202132, 231008, 252665, 279440, 288760, 349300, 360950, 399200, 404264, 505330, 558880, 577520, 698600, 721900, 808528, 1010660, 1155040, 1263325, 1397200, 1443800, 1617056, 2021320, 2526650, 2794400, 2887600, 3602281, 4042640, 5053300, 5775200, 7204562, 8085280, 10106600, 14409124, 18011405, 20213200, 25215967, 28818248, 36022810, 40426400, 50431934, 57636496, 72045620, 90057025, 100863868, 115272992, 126079835, 144091240, 180114050, 201727736, 252159670, 288182480, 360228100, 403455472, 504319340, 576364960, 630399175, 720456200, 806910944, 1008638680, 1260798350, 1440912400, 2017277360, 2521596700, 2881824800, 4034554720, 5043193400, 10086386800, 20172773600]

約数ペア:

[(1, 20172773600), (2, 10086386800), (4, 5043193400), (5, 4034554720), (7, 2881824800), (8, 2521596700), (10, 2017277360), (14, 1440912400), (16, 1260798350), (20, 1008638680), (25, 806910944), (28, 720456200), (32, 630399175), (35, 576364960), (40, 504319340), (50, 403455472), (56, 360228100), (70, 288182480), (80, 252159670), (100, 201727736), (112, 180114050), (140, 144091240), (160, 126079835), (175, 115272992), (200, 100863868), (224, 90057025), (280, 72045620), (350, 57636496), (400, 50431934), (499, 40426400), (560, 36022810), (700, 28818248), (800, 25215967), (998, 20213200), (1120, 18011405), (1400, 14409124), (1996, 10106600), (2495, 8085280), (2800, 7204562), (3493, 5775200), (3992, 5053300), (4990, 4042640), (5600, 3602281), (6986, 2887600), (7219, 2794400), (7984, 2526650), (9980, 2021320), (12475, 1617056), (13972, 1443800), (14438, 1397200), (15968, 1263325), (17465, 1155040), (19960, 1010660), (24950, 808528), (27944, 721900), (28876, 698600), (34930, 577520), (36095, 558880), (39920, 505330), (49900, 404264), (50533, 399200), (55888, 360950), (57752, 349300), (69860, 288760), (72190, 279440), (79840, 252665), (87325, 231008), (99800, 202132), (101066, 199600), (111776, 180475), (115504, 174650), (139720, 144380)]