201970390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331099}}^1$

素因数の和:331167

約数の個数: 16

約数和(自身を含む): 369507600

約数和(自身を除く): 167537210

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 331099, 662198, 1655495, 3310990, 20197039, 40394078, 100985195, 201970390]

約数ペア:

[(1, 201970390), (2, 100985195), (5, 40394078), (10, 20197039), (61, 3310990), (122, 1655495), (305, 662198), (610, 331099)]