261330580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{16519}}^1$

素因数の和:16648

約数の個数: 48

約数和(自身を含む): 632782080

約数和(自身を除く): 371451500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820, 16519, 33038, 66076, 82595, 115633, 165190, 231266, 330380, 462532, 578165, 1156330, 1866647, 2312660, 3733294, 7466588, 9333235, 13066529, 18666470, 26133058, 37332940, 52266116, 65332645, 130665290, 261330580]

約数ペア:

[(1, 261330580), (2, 130665290), (4, 65332645), (5, 52266116), (7, 37332940), (10, 26133058), (14, 18666470), (20, 13066529), (28, 9333235), (35, 7466588), (70, 3733294), (113, 2312660), (140, 1866647), (226, 1156330), (452, 578165), (565, 462532), (791, 330380), (1130, 231266), (1582, 165190), (2260, 115633), (3164, 82595), (3955, 66076), (7910, 33038), (15820, 16519)]