31203690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21227}}^1$

素因数の和:21251

約数の個数: 48

約数和(自身を含む): 87119712

約数和(自身を除く): 55916022

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21227, 42454, 63681, 106135, 127362, 148589, 212270, 297178, 318405, 445767, 636810, 742945, 891534, 1040123, 1485890, 2080246, 2228835, 3120369, 4457670, 5200615, 6240738, 10401230, 15601845, 31203690]

約数ペア:

[(1, 31203690), (2, 15601845), (3, 10401230), (5, 6240738), (6, 5200615), (7, 4457670), (10, 3120369), (14, 2228835), (15, 2080246), (21, 1485890), (30, 1040123), (35, 891534), (42, 742945), (49, 636810), (70, 445767), (98, 318405), (105, 297178), (147, 212270), (210, 148589), (245, 127362), (294, 106135), (490, 63681), (735, 42454), (1470, 21227)]