12922850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 25831680

約数和(自身を除く): 12908830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 223, 305, 446, 475, 610, 950, 1115, 1159, 1525, 2230, 2318, 3050, 4237, 5575, 5795, 8474, 11150, 11590, 13603, 21185, 27206, 28975, 42370, 57950, 68015, 105925, 136030, 211850, 258457, 340075, 516914, 680150, 1292285, 2584570, 6461425, 12922850]

約数ペア:

[(1, 12922850), (2, 6461425), (5, 2584570), (10, 1292285), (19, 680150), (25, 516914), (38, 340075), (50, 258457), (61, 211850), (95, 136030), (122, 105925), (190, 68015), (223, 57950), (305, 42370), (446, 28975), (475, 27206), (610, 21185), (950, 13603), (1115, 11590), (1159, 11150), (1525, 8474), (2230, 5795), (2318, 5575), (3050, 4237)]