315078440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192121}}^1$

素因数の和:192173

約数の個数: 32

約数和(自身を含む): 726221160

約数和(自身を除く): 411142720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 192121, 384242, 768484, 960605, 1536968, 1921210, 3842420, 7684840, 7876961, 15753922, 31507844, 39384805, 63015688, 78769610, 157539220, 315078440]

約数ペア:

[(1, 315078440), (2, 157539220), (4, 78769610), (5, 63015688), (8, 39384805), (10, 31507844), (20, 15753922), (40, 7876961), (41, 7684840), (82, 3842420), (164, 1921210), (205, 1536968), (328, 960605), (410, 768484), (820, 384242), (1640, 192121)]