1918900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 4305280

約数和(自身を除く): 2386380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 619, 620, 775, 1238, 1550, 2476, 3095, 3100, 6190, 12380, 15475, 19189, 30950, 38378, 61900, 76756, 95945, 191890, 383780, 479725, 959450, 1918900]

約数ペア:

[(1, 1918900), (2, 959450), (4, 479725), (5, 383780), (10, 191890), (20, 95945), (25, 76756), (31, 61900), (50, 38378), (62, 30950), (100, 19189), (124, 15475), (155, 12380), (310, 6190), (619, 3100), (620, 3095), (775, 2476), (1238, 1550)]