122180980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 262906560

約数和(自身を除く): 140725580

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 827, 830, 890, 1654, 1660, 1780, 3308, 4135, 7387, 8270, 14774, 16540, 29548, 36935, 68641, 73603, 73870, 137282, 147206, 147740, 274564, 294412, 343205, 368015, 686410, 736030, 1372820, 1472060, 6109049, 12218098, 24436196, 30545245, 61090490, 122180980]

約数ペア:

[(1, 122180980), (2, 61090490), (4, 30545245), (5, 24436196), (10, 12218098), (20, 6109049), (83, 1472060), (89, 1372820), (166, 736030), (178, 686410), (332, 368015), (356, 343205), (415, 294412), (445, 274564), (827, 147740), (830, 147206), (890, 137282), (1654, 73870), (1660, 73603), (1780, 68641), (3308, 36935), (4135, 29548), (7387, 16540), (8270, 14774)]