158049400

素因数分解:

$2^3\times 5^2\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 368335800

約数和(自身を除く): 210286400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 643, 1229, 1286, 2458, 2572, 3215, 4916, 5144, 6145, 6430, 9832, 12290, 12860, 16075, 24580, 25720, 30725, 32150, 49160, 61450, 64300, 122900, 128600, 245800, 790247, 1580494, 3160988, 3951235, 6321976, 7902470, 15804940, 19756175, 31609880, 39512350, 79024700, 158049400]

約数ペア:

[(1, 158049400), (2, 79024700), (4, 39512350), (5, 31609880), (8, 19756175), (10, 15804940), (20, 7902470), (25, 6321976), (40, 3951235), (50, 3160988), (100, 1580494), (200, 790247), (643, 245800), (1229, 128600), (1286, 122900), (2458, 64300), (2572, 61450), (3215, 49160), (4916, 32150), (5144, 30725), (6145, 25720), (6430, 24580), (9832, 16075), (12290, 12860)]