268940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 689472

約数和(自身を除く): 420532

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 113, 119, 140, 170, 226, 238, 340, 452, 476, 565, 595, 791, 1130, 1190, 1582, 1921, 2260, 2380, 3164, 3842, 3955, 7684, 7910, 9605, 13447, 15820, 19210, 26894, 38420, 53788, 67235, 134470, 268940]

約数ペア:

[(1, 268940), (2, 134470), (4, 67235), (5, 53788), (7, 38420), (10, 26894), (14, 19210), (17, 15820), (20, 13447), (28, 9605), (34, 7910), (35, 7684), (68, 3955), (70, 3842), (85, 3164), (113, 2380), (119, 2260), (140, 1921), (170, 1582), (226, 1190), (238, 1130), (340, 791), (452, 595), (476, 565)]