147919420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3413}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 340689888

約数和(自身を除く): 192770468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3413, 3940, 4334, 6826, 8668, 10835, 13652, 17065, 21670, 34130, 37543, 43340, 68260, 75086, 150172, 187715, 375430, 672361, 750860, 1344722, 2689444, 3361805, 6723610, 7395971, 13447220, 14791942, 29583884, 36979855, 73959710, 147919420]

約数ペア:

[(1, 147919420), (2, 73959710), (4, 36979855), (5, 29583884), (10, 14791942), (11, 13447220), (20, 7395971), (22, 6723610), (44, 3361805), (55, 2689444), (110, 1344722), (197, 750860), (220, 672361), (394, 375430), (788, 187715), (985, 150172), (1970, 75086), (2167, 68260), (3413, 43340), (3940, 37543), (4334, 34130), (6826, 21670), (8668, 17065), (10835, 13652)]