91810220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{397}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 200057088

約数和(自身を除く): 108246868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 373, 397, 620, 746, 794, 1492, 1588, 1865, 1985, 3730, 3970, 7460, 7940, 11563, 12307, 23126, 24614, 46252, 49228, 57815, 61535, 115630, 123070, 148081, 231260, 246140, 296162, 592324, 740405, 1480810, 2961620, 4590511, 9181022, 18362044, 22952555, 45905110, 91810220]

約数ペア:

[(1, 91810220), (2, 45905110), (4, 22952555), (5, 18362044), (10, 9181022), (20, 4590511), (31, 2961620), (62, 1480810), (124, 740405), (155, 592324), (310, 296162), (373, 246140), (397, 231260), (620, 148081), (746, 123070), (794, 115630), (1492, 61535), (1588, 57815), (1865, 49228), (1985, 46252), (3730, 24614), (3970, 23126), (7460, 12307), (7940, 11563)]