194398520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 454256640

約数和(自身を除く): 259858120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 620, 743, 844, 1055, 1240, 1486, 1688, 2110, 2972, 3715, 4220, 5944, 6541, 7430, 8440, 13082, 14860, 23033, 26164, 29720, 32705, 46066, 52328, 65410, 92132, 115165, 130820, 156773, 184264, 230330, 261640, 313546, 460660, 627092, 783865, 921320, 1254184, 1567730, 3135460, 4859963, 6270920, 9719926, 19439852, 24299815, 38879704, 48599630, 97199260, 194398520]

約数ペア:

[(1, 194398520), (2, 97199260), (4, 48599630), (5, 38879704), (8, 24299815), (10, 19439852), (20, 9719926), (31, 6270920), (40, 4859963), (62, 3135460), (124, 1567730), (155, 1254184), (211, 921320), (248, 783865), (310, 627092), (422, 460660), (620, 313546), (743, 261640), (844, 230330), (1055, 184264), (1240, 156773), (1486, 130820), (1688, 115165), (2110, 92132), (2972, 65410), (3715, 52328), (4220, 46066), (5944, 32705), (6541, 29720), (7430, 26164), (8440, 23033), (13082, 14860)]