2009915030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{203227}}^1$

素因数の和:203300

約数の個数: 32

約数和(自身を含む): 3862957824

約数和(自身を除く): 1853042794

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 203227, 406454, 1016135, 2032270, 4674221, 8738761, 9348442, 17477522, 23371105, 43693805, 46742210, 87387610, 200991503, 401983006, 1004957515, 2009915030]

約数ペア:

[(1, 2009915030), (2, 1004957515), (5, 401983006), (10, 200991503), (23, 87387610), (43, 46742210), (46, 43693805), (86, 23371105), (115, 17477522), (215, 9348442), (230, 8738761), (430, 4674221), (989, 2032270), (1978, 1016135), (4945, 406454), (9890, 203227)]