220401230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 476720640

約数和(自身を除く): 256319410

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 43, 70, 74, 86, 185, 215, 259, 301, 370, 430, 518, 602, 1295, 1505, 1591, 1979, 2590, 3010, 3182, 3958, 7955, 9895, 11137, 13853, 15910, 19790, 22274, 27706, 55685, 69265, 73223, 85097, 111370, 138530, 146446, 170194, 366115, 425485, 512561, 595679, 732230, 850970, 1025122, 1191358, 2562805, 2978395, 3148589, 5125610, 5956790, 6297178, 15742945, 22040123, 31485890, 44080246, 110200615, 220401230]

約数ペア:

[(1, 220401230), (2, 110200615), (5, 44080246), (7, 31485890), (10, 22040123), (14, 15742945), (35, 6297178), (37, 5956790), (43, 5125610), (70, 3148589), (74, 2978395), (86, 2562805), (185, 1191358), (215, 1025122), (259, 850970), (301, 732230), (370, 595679), (430, 512561), (518, 425485), (602, 366115), (1295, 170194), (1505, 146446), (1591, 138530), (1979, 111370), (2590, 85097), (3010, 73223), (3182, 69265), (3958, 55685), (7955, 27706), (9895, 22274), (11137, 19790), (13853, 15910)]