88992820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 220631040

約数和(自身を除く): 131638220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1279, 1420, 1988, 2485, 2558, 3479, 4970, 5116, 6395, 6958, 8953, 9940, 12790, 13916, 17395, 17906, 25580, 34790, 35812, 44765, 62671, 69580, 89530, 90809, 125342, 179060, 181618, 250684, 313355, 363236, 454045, 626710, 635663, 908090, 1253420, 1271326, 1816180, 2542652, 3178315, 4449641, 6356630, 8899282, 12713260, 17798564, 22248205, 44496410, 88992820]

約数ペア:

[(1, 88992820), (2, 44496410), (4, 22248205), (5, 17798564), (7, 12713260), (10, 8899282), (14, 6356630), (20, 4449641), (28, 3178315), (35, 2542652), (49, 1816180), (70, 1271326), (71, 1253420), (98, 908090), (140, 635663), (142, 626710), (196, 454045), (245, 363236), (284, 313355), (355, 250684), (490, 181618), (497, 179060), (710, 125342), (980, 90809), (994, 89530), (1279, 69580), (1420, 62671), (1988, 44765), (2485, 35812), (2558, 34790), (3479, 25580), (4970, 17906), (5116, 17395), (6395, 13916), (6958, 12790), (8953, 9940)]