921320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 2142720

約数和(自身を除く): 1221400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 743, 1240, 1486, 2972, 3715, 5944, 7430, 14860, 23033, 29720, 46066, 92132, 115165, 184264, 230330, 460660, 921320]

約数ペア:

[(1, 921320), (2, 460660), (4, 230330), (5, 184264), (8, 115165), (10, 92132), (20, 46066), (31, 29720), (40, 23033), (62, 14860), (124, 7430), (155, 5944), (248, 3715), (310, 2972), (620, 1486), (743, 1240)]