269871320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{110603}}^1$

素因数の和:110675

約数の個数: 32

約数和(自身を含む): 617170320

約数和(自身を除く): 347299000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 110603, 221206, 442412, 553015, 884824, 1106030, 2212060, 4424120, 6746783, 13493566, 26987132, 33733915, 53974264, 67467830, 134935660, 269871320]

約数ペア:

[(1, 269871320), (2, 134935660), (4, 67467830), (5, 53974264), (8, 33733915), (10, 26987132), (20, 13493566), (40, 6746783), (61, 4424120), (122, 2212060), (244, 1106030), (305, 884824), (488, 553015), (610, 442412), (1220, 221206), (2440, 110603)]