41979000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2030

約数の個数: 128

約数和(自身を含む): 149760000

約数和(自身を除く): 107781000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 1999, 2100, 2625, 3000, 3500, 3998, 4200, 5250, 5997, 7000, 7996, 9995, 10500, 11994, 13993, 15992, 19990, 21000, 23988, 27986, 29985, 39980, 41979, 47976, 49975, 55972, 59970, 69965, 79960, 83958, 99950, 111944, 119940, 139930, 149925, 167916, 199900, 209895, 239880, 249875, 279860, 299850, 335832, 349825, 399800, 419790, 499750, 559720, 599700, 699650, 749625, 839580, 999500, 1049475, 1199400, 1399300, 1499250, 1679160, 1749125, 1999000, 2098950, 2798600, 2998500, 3498250, 4197900, 5247375, 5997000, 6996500, 8395800, 10494750, 13993000, 20989500, 41979000]

約数ペア:

[(1, 41979000), (2, 20989500), (3, 13993000), (4, 10494750), (5, 8395800), (6, 6996500), (7, 5997000), (8, 5247375), (10, 4197900), (12, 3498250), (14, 2998500), (15, 2798600), (20, 2098950), (21, 1999000), (24, 1749125), (25, 1679160), (28, 1499250), (30, 1399300), (35, 1199400), (40, 1049475), (42, 999500), (50, 839580), (56, 749625), (60, 699650), (70, 599700), (75, 559720), (84, 499750), (100, 419790), (105, 399800), (120, 349825), (125, 335832), (140, 299850), (150, 279860), (168, 249875), (175, 239880), (200, 209895), (210, 199900), (250, 167916), (280, 149925), (300, 139930), (350, 119940), (375, 111944), (420, 99950), (500, 83958), (525, 79960), (600, 69965), (700, 59970), (750, 55972), (840, 49975), (875, 47976), (1000, 41979), (1050, 39980), (1400, 29985), (1500, 27986), (1750, 23988), (1999, 21000), (2100, 19990), (2625, 15992), (3000, 13993), (3500, 11994), (3998, 10500), (4200, 9995), (5250, 7996), (5997, 7000)]