199580140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{479}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 426746880

約数和(自身を除く): 227166740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 251, 332, 415, 479, 502, 830, 958, 1004, 1255, 1660, 1916, 2395, 2510, 4790, 5020, 9580, 20833, 39757, 41666, 79514, 83332, 104165, 120229, 159028, 198785, 208330, 240458, 397570, 416660, 480916, 601145, 795140, 1202290, 2404580, 9979007, 19958014, 39916028, 49895035, 99790070, 199580140]

約数ペア:

[(1, 199580140), (2, 99790070), (4, 49895035), (5, 39916028), (10, 19958014), (20, 9979007), (83, 2404580), (166, 1202290), (251, 795140), (332, 601145), (415, 480916), (479, 416660), (502, 397570), (830, 240458), (958, 208330), (1004, 198785), (1255, 159028), (1660, 120229), (1916, 104165), (2395, 83332), (2510, 79514), (4790, 41666), (5020, 39757), (9580, 20833)]