30420670

素因数分解:

$2^1\times 5^1\times 7^5\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 64235808

約数和(自身を除く): 33815138

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 181, 245, 343, 362, 490, 686, 905, 1267, 1715, 1810, 2401, 2534, 3430, 4802, 6335, 8869, 12005, 12670, 16807, 17738, 24010, 33614, 44345, 62083, 84035, 88690, 124166, 168070, 310415, 434581, 620830, 869162, 2172905, 3042067, 4345810, 6084134, 15210335, 30420670]

約数ペア:

[(1, 30420670), (2, 15210335), (5, 6084134), (7, 4345810), (10, 3042067), (14, 2172905), (35, 869162), (49, 620830), (70, 434581), (98, 310415), (181, 168070), (245, 124166), (343, 88690), (362, 84035), (490, 62083), (686, 44345), (905, 33614), (1267, 24010), (1715, 17738), (1810, 16807), (2401, 12670), (2534, 12005), (3430, 8869), (4802, 6335)]