27721100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 69266400

約数和(自身を除く): 41545300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 79, 100, 110, 116, 121, 145, 158, 220, 242, 275, 290, 316, 319, 395, 484, 550, 580, 605, 638, 725, 790, 869, 1100, 1210, 1276, 1450, 1580, 1595, 1738, 1975, 2291, 2420, 2900, 3025, 3190, 3476, 3509, 3950, 4345, 4582, 6050, 6380, 7018, 7900, 7975, 8690, 9164, 9559, 11455, 12100, 14036, 15950, 17380, 17545, 19118, 21725, 22910, 25201, 31900, 35090, 38236, 43450, 45820, 47795, 50402, 57275, 70180, 86900, 87725, 95590, 100804, 114550, 126005, 175450, 191180, 229100, 238975, 252010, 277211, 350900, 477950, 504020, 554422, 630025, 955900, 1108844, 1260050, 1386055, 2520100, 2772110, 5544220, 6930275, 13860550, 27721100]

約数ペア:

[(1, 27721100), (2, 13860550), (4, 6930275), (5, 5544220), (10, 2772110), (11, 2520100), (20, 1386055), (22, 1260050), (25, 1108844), (29, 955900), (44, 630025), (50, 554422), (55, 504020), (58, 477950), (79, 350900), (100, 277211), (110, 252010), (116, 238975), (121, 229100), (145, 191180), (158, 175450), (220, 126005), (242, 114550), (275, 100804), (290, 95590), (316, 87725), (319, 86900), (395, 70180), (484, 57275), (550, 50402), (580, 47795), (605, 45820), (638, 43450), (725, 38236), (790, 35090), (869, 31900), (1100, 25201), (1210, 22910), (1276, 21725), (1450, 19118), (1580, 17545), (1595, 17380), (1738, 15950), (1975, 14036), (2291, 12100), (2420, 11455), (2900, 9559), (3025, 9164), (3190, 8690), (3476, 7975), (3509, 7900), (3950, 7018), (4345, 6380), (4582, 6050)]