1240565564

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 2620864512

約数和(自身を除く): 1380298948

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 647, 658, 868, 1294, 1316, 1457, 2209, 2588, 2914, 4418, 4529, 5828, 8836, 9058, 10199, 15463, 18116, 20057, 20398, 30409, 30926, 40114, 40796, 60818, 61852, 68479, 80228, 121636, 136958, 140399, 212863, 273916, 280798, 425726, 479353, 561596, 851452, 942679, 958706, 1429223, 1885358, 1917412, 2858446, 3770716, 5716892, 6598753, 10004561, 13197506, 20009122, 26395012, 40018244, 44305913, 88611826, 177223652, 310141391, 620282782, 1240565564]

約数ペア:

[(1, 1240565564), (2, 620282782), (4, 310141391), (7, 177223652), (14, 88611826), (28, 44305913), (31, 40018244), (47, 26395012), (62, 20009122), (94, 13197506), (124, 10004561), (188, 6598753), (217, 5716892), (329, 3770716), (434, 2858446), (647, 1917412), (658, 1885358), (868, 1429223), (1294, 958706), (1316, 942679), (1457, 851452), (2209, 561596), (2588, 479353), (2914, 425726), (4418, 280798), (4529, 273916), (5828, 212863), (8836, 140399), (9058, 136958), (10199, 121636), (15463, 80228), (18116, 68479), (20057, 61852), (20398, 60818), (30409, 40796), (30926, 40114)]