198760000

素因数分解:

$2^6\times 5^4\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 70

約数和(自身を含む): 492959390

約数和(自身を除く): 294199390

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 4969, 5000, 8000, 9938, 10000, 19876, 20000, 24845, 39752, 40000, 49690, 79504, 99380, 124225, 159008, 198760, 248450, 318016, 397520, 496900, 621125, 795040, 993800, 1242250, 1590080, 1987600, 2484500, 3105625, 3975200, 4969000, 6211250, 7950400, 9938000, 12422500, 19876000, 24845000, 39752000, 49690000, 99380000, 198760000]

約数ペア:

[(1, 198760000), (2, 99380000), (4, 49690000), (5, 39752000), (8, 24845000), (10, 19876000), (16, 12422500), (20, 9938000), (25, 7950400), (32, 6211250), (40, 4969000), (50, 3975200), (64, 3105625), (80, 2484500), (100, 1987600), (125, 1590080), (160, 1242250), (200, 993800), (250, 795040), (320, 621125), (400, 496900), (500, 397520), (625, 318016), (800, 248450), (1000, 198760), (1250, 159008), (1600, 124225), (2000, 99380), (2500, 79504), (4000, 49690), (4969, 40000), (5000, 39752), (8000, 24845), (9938, 20000), (10000, 19876)]