7912500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 23186016

約数和(自身を除く): 15273516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 211, 250, 300, 375, 422, 500, 625, 633, 750, 844, 1055, 1250, 1266, 1500, 1875, 2110, 2500, 2532, 3125, 3165, 3750, 4220, 5275, 6250, 6330, 7500, 9375, 10550, 12500, 12660, 15825, 18750, 21100, 26375, 31650, 37500, 52750, 63300, 79125, 105500, 131875, 158250, 263750, 316500, 395625, 527500, 659375, 791250, 1318750, 1582500, 1978125, 2637500, 3956250, 7912500]

約数ペア:

[(1, 7912500), (2, 3956250), (3, 2637500), (4, 1978125), (5, 1582500), (6, 1318750), (10, 791250), (12, 659375), (15, 527500), (20, 395625), (25, 316500), (30, 263750), (50, 158250), (60, 131875), (75, 105500), (100, 79125), (125, 63300), (150, 52750), (211, 37500), (250, 31650), (300, 26375), (375, 21100), (422, 18750), (500, 15825), (625, 12660), (633, 12500), (750, 10550), (844, 9375), (1055, 7500), (1250, 6330), (1266, 6250), (1500, 5275), (1875, 4220), (2110, 3750), (2500, 3165), (2532, 3125)]