156631460

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 334236672

約数和(自身を除く): 177605212

約数列:

[1, 2, 4, 5, 10, 20, 131, 191, 262, 313, 382, 524, 626, 655, 764, 955, 1252, 1310, 1565, 1910, 2620, 3130, 3820, 6260, 25021, 41003, 50042, 59783, 82006, 100084, 119566, 125105, 164012, 205015, 239132, 250210, 298915, 410030, 500420, 597830, 820060, 1195660, 7831573, 15663146, 31326292, 39157865, 78315730, 156631460]

約数ペア:

[(1, 156631460), (2, 78315730), (4, 39157865), (5, 31326292), (10, 15663146), (20, 7831573), (131, 1195660), (191, 820060), (262, 597830), (313, 500420), (382, 410030), (524, 298915), (626, 250210), (655, 239132), (764, 205015), (955, 164012), (1252, 125105), (1310, 119566), (1565, 100084), (1910, 82006), (2620, 59783), (3130, 50042), (3820, 41003), (6260, 25021)]