220072500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{9781}}^1$

素因数の和:9811

約数の個数: 90

約数和(自身を含む): 695216522

約数和(自身を除く): 475144022

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, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3750, 4500, 5625, 7500, 9781, 11250, 19562, 22500, 29343, 39124, 48905, 58686, 88029, 97810, 117372, 146715, 176058, 195620, 244525, 293430, 352116, 440145, 489050, 586860, 733575, 880290, 978100, 1222625, 1467150, 1760580, 2200725, 2445250, 2934300, 3667875, 4401450, 4890500, 6113125, 7335750, 8802900, 11003625, 12226250, 14671500, 18339375, 22007250, 24452500, 36678750, 44014500, 55018125, 73357500, 110036250, 220072500]

約数ペア:

[(1, 220072500), (2, 110036250), (3, 73357500), (4, 55018125), (5, 44014500), (6, 36678750), (9, 24452500), (10, 22007250), (12, 18339375), (15, 14671500), (18, 12226250), (20, 11003625), (25, 8802900), (30, 7335750), (36, 6113125), (45, 4890500), (50, 4401450), (60, 3667875), (75, 2934300), (90, 2445250), (100, 2200725), (125, 1760580), (150, 1467150), (180, 1222625), (225, 978100), (250, 880290), (300, 733575), (375, 586860), (450, 489050), (500, 440145), (625, 352116), (750, 293430), (900, 244525), (1125, 195620), (1250, 176058), (1500, 146715), (1875, 117372), (2250, 97810), (2500, 88029), (3750, 58686), (4500, 48905), (5625, 39124), (7500, 29343), (9781, 22500), (11250, 19562)]