73998520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{49999}}^1$

素因数の和:50047

約数の個数: 32

約数和(自身を含む): 171000000

約数和(自身を除く): 97001480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 49999, 99998, 199996, 249995, 399992, 499990, 999980, 1849963, 1999960, 3699926, 7399852, 9249815, 14799704, 18499630, 36999260, 73998520]

約数ペア:

[(1, 73998520), (2, 36999260), (4, 18499630), (5, 14799704), (8, 9249815), (10, 7399852), (20, 3699926), (37, 1999960), (40, 1849963), (74, 999980), (148, 499990), (185, 399992), (296, 249995), (370, 199996), (740, 99998), (1480, 49999)]