380617520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 916012800

約数和(自身を除く): 535395280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 149, 185, 296, 298, 370, 592, 596, 740, 745, 863, 1192, 1480, 1490, 1726, 2384, 2960, 2980, 3452, 4315, 5513, 5960, 6904, 8630, 11026, 11920, 13808, 17260, 22052, 27565, 31931, 34520, 44104, 55130, 63862, 69040, 88208, 110260, 127724, 128587, 159655, 220520, 255448, 257174, 319310, 441040, 510896, 514348, 638620, 642935, 1028696, 1277240, 1285870, 2057392, 2554480, 2571740, 4757719, 5143480, 9515438, 10286960, 19030876, 23788595, 38061752, 47577190, 76123504, 95154380, 190308760, 380617520]

約数ペア:

[(1, 380617520), (2, 190308760), (4, 95154380), (5, 76123504), (8, 47577190), (10, 38061752), (16, 23788595), (20, 19030876), (37, 10286960), (40, 9515438), (74, 5143480), (80, 4757719), (148, 2571740), (149, 2554480), (185, 2057392), (296, 1285870), (298, 1277240), (370, 1028696), (592, 642935), (596, 638620), (740, 514348), (745, 510896), (863, 441040), (1192, 319310), (1480, 257174), (1490, 255448), (1726, 220520), (2384, 159655), (2960, 128587), (2980, 127724), (3452, 110260), (4315, 88208), (5513, 69040), (5960, 63862), (6904, 55130), (8630, 44104), (11026, 34520), (11920, 31931), (13808, 27565), (17260, 22052)]