830907320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{292573}}^1$

素因数の和:292655

約数の個数: 32

約数和(自身を含む): 1895879520

約数和(自身を除く): 1064972200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 292573, 585146, 1170292, 1462865, 2340584, 2925730, 5851460, 11702920, 20772683, 41545366, 83090732, 103863415, 166181464, 207726830, 415453660, 830907320]

約数ペア:

[(1, 830907320), (2, 415453660), (4, 207726830), (5, 166181464), (8, 103863415), (10, 83090732), (20, 41545366), (40, 20772683), (71, 11702920), (142, 5851460), (284, 2925730), (355, 2340584), (568, 1462865), (710, 1170292), (1420, 585146), (2840, 292573)]