137470820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 295199856

約数和(自身を除く): 157729036

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 281, 305, 401, 562, 610, 802, 1124, 1220, 1405, 1604, 2005, 2810, 4010, 5620, 8020, 17141, 24461, 34282, 48922, 68564, 85705, 97844, 112681, 122305, 171410, 225362, 244610, 342820, 450724, 489220, 563405, 1126810, 2253620, 6873541, 13747082, 27494164, 34367705, 68735410, 137470820]

約数ペア:

[(1, 137470820), (2, 68735410), (4, 34367705), (5, 27494164), (10, 13747082), (20, 6873541), (61, 2253620), (122, 1126810), (244, 563405), (281, 489220), (305, 450724), (401, 342820), (562, 244610), (610, 225362), (802, 171410), (1124, 122305), (1220, 112681), (1405, 97844), (1604, 85705), (2005, 68564), (2810, 48922), (4010, 34282), (5620, 24461), (8020, 17141)]