1205900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 2708160

約数和(自身を除く): 1502260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 389, 620, 775, 778, 1550, 1556, 1945, 3100, 3890, 7780, 9725, 12059, 19450, 24118, 38900, 48236, 60295, 120590, 241180, 301475, 602950, 1205900]

約数ペア:

[(1, 1205900), (2, 602950), (4, 301475), (5, 241180), (10, 120590), (20, 60295), (25, 48236), (31, 38900), (50, 24118), (62, 19450), (100, 12059), (124, 9725), (155, 7780), (310, 3890), (389, 3100), (620, 1945), (775, 1556), (778, 1550)]