71310492820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{257123}}^1$

素因数の和:257429

約数の個数: 72

約数和(自身を含む): 174817579104

約数和(自身を除く): 103507086284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 566, 980, 1132, 1415, 1981, 2830, 3962, 5660, 7924, 9905, 13867, 19810, 27734, 39620, 55468, 69335, 138670, 257123, 277340, 514246, 1028492, 1285615, 1799861, 2571230, 3599722, 5142460, 7199444, 8999305, 12599027, 17998610, 25198054, 35997220, 50396108, 62995135, 72765809, 125990270, 145531618, 251980540, 291063236, 363829045, 509360663, 727658090, 1018721326, 1455316180, 2037442652, 2546803315, 3565524641, 5093606630, 7131049282, 10187213260, 14262098564, 17827623205, 35655246410, 71310492820]

約数ペア:

[(1, 71310492820), (2, 35655246410), (4, 17827623205), (5, 14262098564), (7, 10187213260), (10, 7131049282), (14, 5093606630), (20, 3565524641), (28, 2546803315), (35, 2037442652), (49, 1455316180), (70, 1018721326), (98, 727658090), (140, 509360663), (196, 363829045), (245, 291063236), (283, 251980540), (490, 145531618), (566, 125990270), (980, 72765809), (1132, 62995135), (1415, 50396108), (1981, 35997220), (2830, 25198054), (3962, 17998610), (5660, 12599027), (7924, 8999305), (9905, 7199444), (13867, 5142460), (19810, 3599722), (27734, 2571230), (39620, 1799861), (55468, 1285615), (69335, 1028492), (138670, 514246), (257123, 277340)]