4142000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 80

約数和(自身を含む): 10639200

約数和(自身を除く): 6497200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 109, 125, 152, 190, 200, 218, 250, 304, 380, 400, 436, 475, 500, 545, 760, 872, 950, 1000, 1090, 1520, 1744, 1900, 2000, 2071, 2180, 2375, 2725, 3800, 4142, 4360, 4750, 5450, 7600, 8284, 8720, 9500, 10355, 10900, 13625, 16568, 19000, 20710, 21800, 27250, 33136, 38000, 41420, 43600, 51775, 54500, 82840, 103550, 109000, 165680, 207100, 218000, 258875, 414200, 517750, 828400, 1035500, 2071000, 4142000]

約数ペア:

[(1, 4142000), (2, 2071000), (4, 1035500), (5, 828400), (8, 517750), (10, 414200), (16, 258875), (19, 218000), (20, 207100), (25, 165680), (38, 109000), (40, 103550), (50, 82840), (76, 54500), (80, 51775), (95, 43600), (100, 41420), (109, 38000), (125, 33136), (152, 27250), (190, 21800), (200, 20710), (218, 19000), (250, 16568), (304, 13625), (380, 10900), (400, 10355), (436, 9500), (475, 8720), (500, 8284), (545, 7600), (760, 5450), (872, 4750), (950, 4360), (1000, 4142), (1090, 3800), (1520, 2725), (1744, 2375), (1900, 2180), (2000, 2071)]