89997460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15679}}^1$

素因数の和:15736

約数の個数: 48

約数和(自身を含む): 221276160

約数和(自身を除く): 131278700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15679, 31358, 62716, 78395, 109753, 156790, 219506, 313580, 439012, 548765, 642839, 1097530, 1285678, 2195060, 2571356, 3214195, 4499873, 6428390, 8999746, 12856780, 17999492, 22499365, 44998730, 89997460]

約数ペア:

[(1, 89997460), (2, 44998730), (4, 22499365), (5, 17999492), (7, 12856780), (10, 8999746), (14, 6428390), (20, 4499873), (28, 3214195), (35, 2571356), (41, 2195060), (70, 1285678), (82, 1097530), (140, 642839), (164, 548765), (205, 439012), (287, 313580), (410, 219506), (574, 156790), (820, 109753), (1148, 78395), (1435, 62716), (2870, 31358), (5740, 15679)]