851948900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 108

約数和(自身を含む): 2048553780

約数和(自身を除く): 1196604880

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 181, 220, 242, 275, 362, 389, 484, 550, 605, 724, 778, 905, 1100, 1210, 1556, 1810, 1945, 1991, 2420, 3025, 3620, 3890, 3982, 4279, 4525, 6050, 7780, 7964, 8558, 9050, 9725, 9955, 12100, 17116, 18100, 19450, 19910, 21395, 21901, 38900, 39820, 42790, 43802, 47069, 49775, 70409, 85580, 87604, 94138, 99550, 106975, 109505, 140818, 188276, 199100, 213950, 219010, 235345, 281636, 352045, 427900, 438020, 470690, 547525, 704090, 774499, 941380, 1095050, 1176725, 1408180, 1548998, 1760225, 2190100, 2353450, 3097996, 3520450, 3872495, 4706900, 7040900, 7744990, 8519489, 15489980, 17038978, 19362475, 34077956, 38724950, 42597445, 77449900, 85194890, 170389780, 212987225, 425974450, 851948900]

約数ペア:

[(1, 851948900), (2, 425974450), (4, 212987225), (5, 170389780), (10, 85194890), (11, 77449900), (20, 42597445), (22, 38724950), (25, 34077956), (44, 19362475), (50, 17038978), (55, 15489980), (100, 8519489), (110, 7744990), (121, 7040900), (181, 4706900), (220, 3872495), (242, 3520450), (275, 3097996), (362, 2353450), (389, 2190100), (484, 1760225), (550, 1548998), (605, 1408180), (724, 1176725), (778, 1095050), (905, 941380), (1100, 774499), (1210, 704090), (1556, 547525), (1810, 470690), (1945, 438020), (1991, 427900), (2420, 352045), (3025, 281636), (3620, 235345), (3890, 219010), (3982, 213950), (4279, 199100), (4525, 188276), (6050, 140818), (7780, 109505), (7964, 106975), (8558, 99550), (9050, 94138), (9725, 87604), (9955, 85580), (12100, 70409), (17116, 49775), (18100, 47069), (19450, 43802), (19910, 42790), (21395, 39820), (21901, 38900)]