172775660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{433}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 370101312

約数和(自身を除く): 197325652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 281, 284, 355, 433, 562, 710, 866, 1124, 1405, 1420, 1732, 2165, 2810, 4330, 5620, 8660, 19951, 30743, 39902, 61486, 79804, 99755, 121673, 122972, 153715, 199510, 243346, 307430, 399020, 486692, 608365, 614860, 1216730, 2433460, 8638783, 17277566, 34555132, 43193915, 86387830, 172775660]

約数ペア:

[(1, 172775660), (2, 86387830), (4, 43193915), (5, 34555132), (10, 17277566), (20, 8638783), (71, 2433460), (142, 1216730), (281, 614860), (284, 608365), (355, 486692), (433, 399020), (562, 307430), (710, 243346), (866, 199510), (1124, 153715), (1405, 122972), (1420, 121673), (1732, 99755), (2165, 79804), (2810, 61486), (4330, 39902), (5620, 30743), (8660, 19951)]