278004860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{17573}}^1$

素因数の和:17702

約数の個数: 48

約数和(自身を含む): 673154496

約数和(自身を除く): 395149636

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, 17573, 35146, 70292, 87865, 123011, 175730, 246022, 351460, 492044, 615055, 1230110, 1985749, 2460220, 3971498, 7942996, 9928745, 13900243, 19857490, 27800486, 39714980, 55600972, 69501215, 139002430, 278004860]

約数ペア:

[(1, 278004860), (2, 139002430), (4, 69501215), (5, 55600972), (7, 39714980), (10, 27800486), (14, 19857490), (20, 13900243), (28, 9928745), (35, 7942996), (70, 3971498), (113, 2460220), (140, 1985749), (226, 1230110), (452, 615055), (565, 492044), (791, 351460), (1130, 246022), (1582, 175730), (2260, 123011), (3164, 87865), (3955, 70292), (7910, 35146), (15820, 17573)]