1689501380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{2539}}^1$

素因数の和:2666

約数の個数: 96

約数和(自身を含む): 4181856000

約数和(自身を除く): 2492354620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 343, 388, 485, 490, 679, 686, 970, 980, 1358, 1372, 1715, 1940, 2539, 2716, 3395, 3430, 4753, 5078, 6790, 6860, 9506, 10156, 12695, 13580, 17773, 19012, 23765, 25390, 33271, 35546, 47530, 50780, 66542, 71092, 88865, 95060, 124411, 133084, 166355, 177730, 246283, 248822, 332710, 355460, 492566, 497644, 622055, 665420, 870877, 985132, 1231415, 1244110, 1723981, 1741754, 2462830, 2488220, 3447962, 3483508, 4354385, 4925660, 6895924, 8619905, 8708770, 12067867, 17239810, 17417540, 24135734, 34479620, 48271468, 60339335, 84475069, 120678670, 168950138, 241357340, 337900276, 422375345, 844750690, 1689501380]

約数ペア:

[(1, 1689501380), (2, 844750690), (4, 422375345), (5, 337900276), (7, 241357340), (10, 168950138), (14, 120678670), (20, 84475069), (28, 60339335), (35, 48271468), (49, 34479620), (70, 24135734), (97, 17417540), (98, 17239810), (140, 12067867), (194, 8708770), (196, 8619905), (245, 6895924), (343, 4925660), (388, 4354385), (485, 3483508), (490, 3447962), (679, 2488220), (686, 2462830), (970, 1741754), (980, 1723981), (1358, 1244110), (1372, 1231415), (1715, 985132), (1940, 870877), (2539, 665420), (2716, 622055), (3395, 497644), (3430, 492566), (4753, 355460), (5078, 332710), (6790, 248822), (6860, 246283), (9506, 177730), (10156, 166355), (12695, 133084), (13580, 124411), (17773, 95060), (19012, 88865), (23765, 71092), (25390, 66542), (33271, 50780), (35546, 47530)]