199700100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2059

約数の個数: 144

約数和(自身を含む): 659680000

約数和(自身を除く): 459979900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 135, 148, 150, 180, 185, 222, 225, 270, 300, 333, 370, 444, 450, 540, 555, 666, 675, 740, 900, 925, 999, 1110, 1332, 1350, 1665, 1850, 1998, 1999, 2220, 2700, 2775, 3330, 3700, 3996, 3998, 4995, 5550, 5997, 6660, 7996, 8325, 9990, 9995, 11100, 11994, 16650, 17991, 19980, 19990, 23988, 24975, 29985, 33300, 35982, 39980, 49950, 49975, 53973, 59970, 71964, 73963, 89955, 99900, 99950, 107946, 119940, 147926, 149925, 179910, 199900, 215892, 221889, 269865, 295852, 299850, 359820, 369815, 443778, 449775, 539730, 599700, 665667, 739630, 887556, 899550, 1079460, 1109445, 1331334, 1349325, 1479260, 1799100, 1849075, 1997001, 2218890, 2662668, 2698650, 3328335, 3698150, 3994002, 4437780, 5397300, 5547225, 6656670, 7396300, 7988004, 9985005, 11094450, 13313340, 16641675, 19970010, 22188900, 33283350, 39940020, 49925025, 66566700, 99850050, 199700100]

約数ペア:

[(1, 199700100), (2, 99850050), (3, 66566700), (4, 49925025), (5, 39940020), (6, 33283350), (9, 22188900), (10, 19970010), (12, 16641675), (15, 13313340), (18, 11094450), (20, 9985005), (25, 7988004), (27, 7396300), (30, 6656670), (36, 5547225), (37, 5397300), (45, 4437780), (50, 3994002), (54, 3698150), (60, 3328335), (74, 2698650), (75, 2662668), (90, 2218890), (100, 1997001), (108, 1849075), (111, 1799100), (135, 1479260), (148, 1349325), (150, 1331334), (180, 1109445), (185, 1079460), (222, 899550), (225, 887556), (270, 739630), (300, 665667), (333, 599700), (370, 539730), (444, 449775), (450, 443778), (540, 369815), (555, 359820), (666, 299850), (675, 295852), (740, 269865), (900, 221889), (925, 215892), (999, 199900), (1110, 179910), (1332, 149925), (1350, 147926), (1665, 119940), (1850, 107946), (1998, 99950), (1999, 99900), (2220, 89955), (2700, 73963), (2775, 71964), (3330, 59970), (3700, 53973), (3996, 49975), (3998, 49950), (4995, 39980), (5550, 35982), (5997, 33300), (6660, 29985), (7996, 24975), (8325, 23988), (9990, 19990), (9995, 19980), (11100, 17991), (11994, 16650)]