11101720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 29491200

約数和(自身を除く): 18389480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1279, 1736, 2170, 2558, 4340, 5116, 6395, 8680, 8953, 10232, 12790, 17906, 25580, 35812, 39649, 44765, 51160, 71624, 79298, 89530, 158596, 179060, 198245, 277543, 317192, 358120, 396490, 555086, 792980, 1110172, 1387715, 1585960, 2220344, 2775430, 5550860, 11101720]

約数ペア:

[(1, 11101720), (2, 5550860), (4, 2775430), (5, 2220344), (7, 1585960), (8, 1387715), (10, 1110172), (14, 792980), (20, 555086), (28, 396490), (31, 358120), (35, 317192), (40, 277543), (56, 198245), (62, 179060), (70, 158596), (124, 89530), (140, 79298), (155, 71624), (217, 51160), (248, 44765), (280, 39649), (310, 35812), (434, 25580), (620, 17906), (868, 12790), (1085, 10232), (1240, 8953), (1279, 8680), (1736, 6395), (2170, 5116), (2558, 4340)]