142928500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 96

約数和(自身を含む): 366912000

約数和(自身を除く): 223983500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 250, 260, 275, 286, 325, 500, 550, 572, 650, 715, 1100, 1300, 1375, 1430, 1625, 1999, 2750, 2860, 3250, 3575, 3998, 5500, 6500, 7150, 7996, 9995, 14300, 17875, 19990, 21989, 25987, 35750, 39980, 43978, 49975, 51974, 71500, 87956, 99950, 103948, 109945, 129935, 199900, 219890, 249875, 259870, 285857, 439780, 499750, 519740, 549725, 571714, 649675, 999500, 1099450, 1143428, 1299350, 1429285, 2198900, 2598700, 2748625, 2858570, 3248375, 5497250, 5717140, 6496750, 7146425, 10994500, 12993500, 14292850, 28585700, 35732125, 71464250, 142928500]

約数ペア:

[(1, 142928500), (2, 71464250), (4, 35732125), (5, 28585700), (10, 14292850), (11, 12993500), (13, 10994500), (20, 7146425), (22, 6496750), (25, 5717140), (26, 5497250), (44, 3248375), (50, 2858570), (52, 2748625), (55, 2598700), (65, 2198900), (100, 1429285), (110, 1299350), (125, 1143428), (130, 1099450), (143, 999500), (220, 649675), (250, 571714), (260, 549725), (275, 519740), (286, 499750), (325, 439780), (500, 285857), (550, 259870), (572, 249875), (650, 219890), (715, 199900), (1100, 129935), (1300, 109945), (1375, 103948), (1430, 99950), (1625, 87956), (1999, 71500), (2750, 51974), (2860, 49975), (3250, 43978), (3575, 39980), (3998, 35750), (5500, 25987), (6500, 21989), (7150, 19990), (7996, 17875), (9995, 14300)]