231218900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 560018844

約数和(自身を除く): 328799944

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 121, 194, 197, 220, 242, 275, 388, 394, 484, 485, 550, 605, 788, 970, 985, 1067, 1100, 1210, 1940, 1970, 2134, 2167, 2420, 2425, 3025, 3940, 4268, 4334, 4850, 4925, 5335, 6050, 8668, 9700, 9850, 10670, 10835, 11737, 12100, 19109, 19700, 21340, 21670, 23474, 23837, 26675, 38218, 43340, 46948, 47674, 53350, 54175, 58685, 76436, 95348, 95545, 106700, 108350, 117370, 119185, 191090, 210199, 216700, 234740, 238370, 293425, 382180, 420398, 476740, 477725, 586850, 595925, 840796, 955450, 1050995, 1173700, 1191850, 1910900, 2101990, 2312189, 2383700, 4203980, 4624378, 5254975, 9248756, 10509950, 11560945, 21019900, 23121890, 46243780, 57804725, 115609450, 231218900]

約数ペア:

[(1, 231218900), (2, 115609450), (4, 57804725), (5, 46243780), (10, 23121890), (11, 21019900), (20, 11560945), (22, 10509950), (25, 9248756), (44, 5254975), (50, 4624378), (55, 4203980), (97, 2383700), (100, 2312189), (110, 2101990), (121, 1910900), (194, 1191850), (197, 1173700), (220, 1050995), (242, 955450), (275, 840796), (388, 595925), (394, 586850), (484, 477725), (485, 476740), (550, 420398), (605, 382180), (788, 293425), (970, 238370), (985, 234740), (1067, 216700), (1100, 210199), (1210, 191090), (1940, 119185), (1970, 117370), (2134, 108350), (2167, 106700), (2420, 95545), (2425, 95348), (3025, 76436), (3940, 58685), (4268, 54175), (4334, 53350), (4850, 47674), (4925, 46948), (5335, 43340), (6050, 38218), (8668, 26675), (9700, 23837), (9850, 23474), (10670, 21670), (10835, 21340), (11737, 19700), (12100, 19109)]