43442440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 101574000

約数和(自身を除く): 58131560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 197, 296, 298, 370, 394, 596, 740, 745, 788, 985, 1192, 1480, 1490, 1576, 1970, 2980, 3940, 5513, 5960, 7289, 7880, 11026, 14578, 22052, 27565, 29156, 29353, 36445, 44104, 55130, 58312, 58706, 72890, 110260, 117412, 145780, 146765, 220520, 234824, 291560, 293530, 587060, 1086061, 1174120, 2172122, 4344244, 5430305, 8688488, 10860610, 21721220, 43442440]

約数ペア:

[(1, 43442440), (2, 21721220), (4, 10860610), (5, 8688488), (8, 5430305), (10, 4344244), (20, 2172122), (37, 1174120), (40, 1086061), (74, 587060), (148, 293530), (149, 291560), (185, 234824), (197, 220520), (296, 146765), (298, 145780), (370, 117412), (394, 110260), (596, 72890), (740, 58706), (745, 58312), (788, 55130), (985, 44104), (1192, 36445), (1480, 29353), (1490, 29156), (1576, 27565), (1970, 22052), (2980, 14578), (3940, 11026), (5513, 7880), (5960, 7289)]