301381480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{123517}}^1$

素因数の和:123589

約数の個数: 32

約数和(自身を含む): 689230440

約数和(自身を除く): 387848960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 123517, 247034, 494068, 617585, 988136, 1235170, 2470340, 4940680, 7534537, 15069074, 30138148, 37672685, 60276296, 75345370, 150690740, 301381480]

約数ペア:

[(1, 301381480), (2, 150690740), (4, 75345370), (5, 60276296), (8, 37672685), (10, 30138148), (20, 15069074), (40, 7534537), (61, 4940680), (122, 2470340), (244, 1235170), (305, 988136), (488, 617585), (610, 494068), (1220, 247034), (2440, 123517)]