2178750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{83}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 6297984

約数和(自身を除く): 4119234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 83, 105, 125, 150, 166, 175, 210, 249, 250, 350, 375, 415, 498, 525, 581, 625, 750, 830, 875, 1050, 1162, 1245, 1250, 1743, 1750, 1875, 2075, 2490, 2625, 2905, 3486, 3750, 4150, 4375, 5250, 5810, 6225, 8715, 8750, 10375, 12450, 13125, 14525, 17430, 20750, 26250, 29050, 31125, 43575, 51875, 62250, 72625, 87150, 103750, 145250, 155625, 217875, 311250, 363125, 435750, 726250, 1089375, 2178750]

約数ペア:

[(1, 2178750), (2, 1089375), (3, 726250), (5, 435750), (6, 363125), (7, 311250), (10, 217875), (14, 155625), (15, 145250), (21, 103750), (25, 87150), (30, 72625), (35, 62250), (42, 51875), (50, 43575), (70, 31125), (75, 29050), (83, 26250), (105, 20750), (125, 17430), (150, 14525), (166, 13125), (175, 12450), (210, 10375), (249, 8750), (250, 8715), (350, 6225), (375, 5810), (415, 5250), (498, 4375), (525, 4150), (581, 3750), (625, 3486), (750, 2905), (830, 2625), (875, 2490), (1050, 2075), (1162, 1875), (1245, 1750), (1250, 1743)]