71579420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4457}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 166265568

約数和(自身を除く): 94686148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 4457, 8030, 8914, 16060, 17828, 22285, 44570, 49027, 89140, 98054, 196108, 245135, 325361, 490270, 650722, 980540, 1301444, 1626805, 3253610, 3578971, 6507220, 7157942, 14315884, 17894855, 35789710, 71579420]

約数ペア:

[(1, 71579420), (2, 35789710), (4, 17894855), (5, 14315884), (10, 7157942), (11, 6507220), (20, 3578971), (22, 3253610), (44, 1626805), (55, 1301444), (73, 980540), (110, 650722), (146, 490270), (220, 325361), (292, 245135), (365, 196108), (730, 98054), (803, 89140), (1460, 49027), (1606, 44570), (3212, 22285), (4015, 17828), (4457, 16060), (8030, 8914)]