42131900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 95983440

約数和(自身を除く): 53851540

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 59, 74, 100, 118, 148, 185, 193, 236, 295, 370, 386, 590, 740, 772, 925, 965, 1180, 1475, 1850, 1930, 2183, 2950, 3700, 3860, 4366, 4825, 5900, 7141, 8732, 9650, 10915, 11387, 14282, 19300, 21830, 22774, 28564, 35705, 43660, 45548, 54575, 56935, 71410, 109150, 113870, 142820, 178525, 218300, 227740, 284675, 357050, 421319, 569350, 714100, 842638, 1138700, 1685276, 2106595, 4213190, 8426380, 10532975, 21065950, 42131900]

約数ペア:

[(1, 42131900), (2, 21065950), (4, 10532975), (5, 8426380), (10, 4213190), (20, 2106595), (25, 1685276), (37, 1138700), (50, 842638), (59, 714100), (74, 569350), (100, 421319), (118, 357050), (148, 284675), (185, 227740), (193, 218300), (236, 178525), (295, 142820), (370, 113870), (386, 109150), (590, 71410), (740, 56935), (772, 54575), (925, 45548), (965, 43660), (1180, 35705), (1475, 28564), (1850, 22774), (1930, 21830), (2183, 19300), (2950, 14282), (3700, 11387), (3860, 10915), (4366, 9650), (4825, 8732), (5900, 7141)]