74280020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 163416960

約数和(自身を除く): 89136940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 580, 830, 1543, 1660, 2407, 3086, 4814, 6172, 7715, 9628, 12035, 15430, 24070, 30860, 44747, 48140, 89494, 128069, 178988, 223735, 256138, 447470, 512276, 640345, 894940, 1280690, 2561380, 3714001, 7428002, 14856004, 18570005, 37140010, 74280020]

約数ペア:

[(1, 74280020), (2, 37140010), (4, 18570005), (5, 14856004), (10, 7428002), (20, 3714001), (29, 2561380), (58, 1280690), (83, 894940), (116, 640345), (145, 512276), (166, 447470), (290, 256138), (332, 223735), (415, 178988), (580, 128069), (830, 89494), (1543, 48140), (1660, 44747), (2407, 30860), (3086, 24070), (4814, 15430), (6172, 12035), (7715, 9628)]