8772500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 90

約数和(自身を含む): 21813330

約数和(自身を除く): 13040830

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 121, 125, 145, 220, 242, 250, 275, 290, 319, 484, 500, 550, 580, 605, 625, 638, 725, 1100, 1210, 1250, 1276, 1375, 1450, 1595, 2420, 2500, 2750, 2900, 3025, 3190, 3509, 3625, 5500, 6050, 6380, 6875, 7018, 7250, 7975, 12100, 13750, 14036, 14500, 15125, 15950, 17545, 18125, 27500, 30250, 31900, 35090, 36250, 39875, 60500, 70180, 72500, 75625, 79750, 87725, 151250, 159500, 175450, 199375, 302500, 350900, 398750, 438625, 797500, 877250, 1754500, 2193125, 4386250, 8772500]

約数ペア:

[(1, 8772500), (2, 4386250), (4, 2193125), (5, 1754500), (10, 877250), (11, 797500), (20, 438625), (22, 398750), (25, 350900), (29, 302500), (44, 199375), (50, 175450), (55, 159500), (58, 151250), (100, 87725), (110, 79750), (116, 75625), (121, 72500), (125, 70180), (145, 60500), (220, 39875), (242, 36250), (250, 35090), (275, 31900), (290, 30250), (319, 27500), (484, 18125), (500, 17545), (550, 15950), (580, 15125), (605, 14500), (625, 14036), (638, 13750), (725, 12100), (1100, 7975), (1210, 7250), (1250, 7018), (1276, 6875), (1375, 6380), (1450, 6050), (1595, 5500), (2420, 3625), (2500, 3509), (2750, 3190), (2900, 3025)]