78347660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 172815552

約数和(自身を除く): 94467892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 905, 941, 1810, 1882, 3620, 3764, 4163, 4705, 8326, 9410, 16652, 18820, 20815, 21643, 41630, 43286, 83260, 86572, 108215, 170321, 216430, 340642, 432860, 681284, 851605, 1703210, 3406420, 3917383, 7834766, 15669532, 19586915, 39173830, 78347660]

約数ペア:

[(1, 78347660), (2, 39173830), (4, 19586915), (5, 15669532), (10, 7834766), (20, 3917383), (23, 3406420), (46, 1703210), (92, 851605), (115, 681284), (181, 432860), (230, 340642), (362, 216430), (460, 170321), (724, 108215), (905, 86572), (941, 83260), (1810, 43286), (1882, 41630), (3620, 21643), (3764, 20815), (4163, 18820), (4705, 16652), (8326, 9410)]