1400400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 90

約数和(自身を含む): 4872270

約数和(自身を除く): 3471870

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 389, 400, 450, 600, 720, 778, 900, 1167, 1200, 1556, 1800, 1945, 2334, 3112, 3501, 3600, 3890, 4668, 5835, 6224, 7002, 7780, 9336, 9725, 11670, 14004, 15560, 17505, 18672, 19450, 23340, 28008, 29175, 31120, 35010, 38900, 46680, 56016, 58350, 70020, 77800, 87525, 93360, 116700, 140040, 155600, 175050, 233400, 280080, 350100, 466800, 700200, 1400400]

約数ペア:

[(1, 1400400), (2, 700200), (3, 466800), (4, 350100), (5, 280080), (6, 233400), (8, 175050), (9, 155600), (10, 140040), (12, 116700), (15, 93360), (16, 87525), (18, 77800), (20, 70020), (24, 58350), (25, 56016), (30, 46680), (36, 38900), (40, 35010), (45, 31120), (48, 29175), (50, 28008), (60, 23340), (72, 19450), (75, 18672), (80, 17505), (90, 15560), (100, 14004), (120, 11670), (144, 9725), (150, 9336), (180, 7780), (200, 7002), (225, 6224), (240, 5835), (300, 4668), (360, 3890), (389, 3600), (400, 3501), (450, 3112), (600, 2334), (720, 1945), (778, 1800), (900, 1556), (1167, 1200)]