4072500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{181}}^1$

素因数の和:211

約数の個数: 90

約数和(自身を含む): 12934922

約数和(自身を除く): 8862422

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 181, 225, 250, 300, 362, 375, 450, 500, 543, 625, 724, 750, 900, 905, 1086, 1125, 1250, 1500, 1629, 1810, 1875, 2172, 2250, 2500, 2715, 3258, 3620, 3750, 4500, 4525, 5430, 5625, 6516, 7500, 8145, 9050, 10860, 11250, 13575, 16290, 18100, 22500, 22625, 27150, 32580, 40725, 45250, 54300, 67875, 81450, 90500, 113125, 135750, 162900, 203625, 226250, 271500, 339375, 407250, 452500, 678750, 814500, 1018125, 1357500, 2036250, 4072500]

約数ペア:

[(1, 4072500), (2, 2036250), (3, 1357500), (4, 1018125), (5, 814500), (6, 678750), (9, 452500), (10, 407250), (12, 339375), (15, 271500), (18, 226250), (20, 203625), (25, 162900), (30, 135750), (36, 113125), (45, 90500), (50, 81450), (60, 67875), (75, 54300), (90, 45250), (100, 40725), (125, 32580), (150, 27150), (180, 22625), (181, 22500), (225, 18100), (250, 16290), (300, 13575), (362, 11250), (375, 10860), (450, 9050), (500, 8145), (543, 7500), (625, 6516), (724, 5625), (750, 5430), (900, 4525), (905, 4500), (1086, 3750), (1125, 3620), (1250, 3258), (1500, 2715), (1629, 2500), (1810, 2250), (1875, 2172)]