129953890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{2069}}^1$

素因数の和:2658

約数の個数: 32

約数和(自身を含む): 255752640

約数和(自身を除く): 125798750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 571, 1142, 2069, 2855, 4138, 5710, 6281, 10345, 12562, 20690, 22759, 31405, 45518, 62810, 113795, 227590, 1181399, 2362798, 5906995, 11813990, 12995389, 25990778, 64976945, 129953890]

約数ペア:

[(1, 129953890), (2, 64976945), (5, 25990778), (10, 12995389), (11, 11813990), (22, 5906995), (55, 2362798), (110, 1181399), (571, 227590), (1142, 113795), (2069, 62810), (2855, 45518), (4138, 31405), (5710, 22759), (6281, 20690), (10345, 12562)]