31483480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16063}}^1$

素因数の和:16088

約数の個数: 48

約数和(自身を含む): 82408320

約数和(自身を除く): 50924840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16063, 32126, 64252, 80315, 112441, 128504, 160630, 224882, 321260, 449764, 562205, 642520, 787087, 899528, 1124410, 1574174, 2248820, 3148348, 3935435, 4497640, 6296696, 7870870, 15741740, 31483480]

約数ペア:

[(1, 31483480), (2, 15741740), (4, 7870870), (5, 6296696), (7, 4497640), (8, 3935435), (10, 3148348), (14, 2248820), (20, 1574174), (28, 1124410), (35, 899528), (40, 787087), (49, 642520), (56, 562205), (70, 449764), (98, 321260), (140, 224882), (196, 160630), (245, 128504), (280, 112441), (392, 80315), (490, 64252), (980, 32126), (1960, 16063)]