28392380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 63776160

約数和(自身を除く): 35383780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 739, 1130, 1478, 1921, 2260, 2956, 3695, 3842, 7390, 7684, 9605, 12563, 14780, 19210, 25126, 38420, 50252, 62815, 83507, 125630, 167014, 251260, 334028, 417535, 835070, 1419619, 1670140, 2839238, 5678476, 7098095, 14196190, 28392380]

約数ペア:

[(1, 28392380), (2, 14196190), (4, 7098095), (5, 5678476), (10, 2839238), (17, 1670140), (20, 1419619), (34, 835070), (68, 417535), (85, 334028), (113, 251260), (170, 167014), (226, 125630), (340, 83507), (452, 62815), (565, 50252), (739, 38420), (1130, 25126), (1478, 19210), (1921, 14780), (2260, 12563), (2956, 9605), (3695, 7684), (3842, 7390)]