81428200

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{1187}}^1$

素因数の和:1224

約数の個数: 96

約数和(自身を含む): 220968000

約数和(自身を除く): 139539800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 490, 686, 700, 980, 1187, 1225, 1372, 1400, 1715, 1960, 2374, 2450, 2744, 3430, 4748, 4900, 5935, 6860, 8309, 8575, 9496, 9800, 11870, 13720, 16618, 17150, 23740, 29675, 33236, 34300, 41545, 47480, 58163, 59350, 66472, 68600, 83090, 116326, 118700, 166180, 207725, 232652, 237400, 290815, 332360, 407141, 415450, 465304, 581630, 814282, 830900, 1163260, 1454075, 1628564, 1661800, 2035705, 2326520, 2908150, 3257128, 4071410, 5816300, 8142820, 10178525, 11632600, 16285640, 20357050, 40714100, 81428200]

約数ペア:

[(1, 81428200), (2, 40714100), (4, 20357050), (5, 16285640), (7, 11632600), (8, 10178525), (10, 8142820), (14, 5816300), (20, 4071410), (25, 3257128), (28, 2908150), (35, 2326520), (40, 2035705), (49, 1661800), (50, 1628564), (56, 1454075), (70, 1163260), (98, 830900), (100, 814282), (140, 581630), (175, 465304), (196, 415450), (200, 407141), (245, 332360), (280, 290815), (343, 237400), (350, 232652), (392, 207725), (490, 166180), (686, 118700), (700, 116326), (980, 83090), (1187, 68600), (1225, 66472), (1372, 59350), (1400, 58163), (1715, 47480), (1960, 41545), (2374, 34300), (2450, 33236), (2744, 29675), (3430, 23740), (4748, 17150), (4900, 16618), (5935, 13720), (6860, 11870), (8309, 9800), (8575, 9496)]