197281520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79549}}^1$

素因数の和:79593

約数の個数: 40

約数和(自身を含む): 473481600

約数和(自身を除く): 276200080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 79549, 159098, 318196, 397745, 636392, 795490, 1272784, 1590980, 2466019, 3181960, 4932038, 6363920, 9864076, 12330095, 19728152, 24660190, 39456304, 49320380, 98640760, 197281520]

約数ペア:

[(1, 197281520), (2, 98640760), (4, 49320380), (5, 39456304), (8, 24660190), (10, 19728152), (16, 12330095), (20, 9864076), (31, 6363920), (40, 4932038), (62, 3181960), (80, 2466019), (124, 1590980), (155, 1272784), (248, 795490), (310, 636392), (496, 397745), (620, 318196), (1240, 159098), (2480, 79549)]