80398450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 167278356

約数和(自身を除く): 86879906

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 97, 110, 121, 137, 194, 242, 274, 275, 485, 550, 605, 685, 970, 1067, 1210, 1370, 1507, 2134, 2425, 3014, 3025, 3425, 4850, 5335, 6050, 6850, 7535, 10670, 11737, 13289, 15070, 16577, 23474, 26578, 26675, 33154, 37675, 53350, 58685, 66445, 75350, 82885, 117370, 132890, 146179, 165770, 292358, 293425, 332225, 414425, 586850, 664450, 730895, 828850, 1461790, 1607969, 3215938, 3654475, 7308950, 8039845, 16079690, 40199225, 80398450]

約数ペア:

[(1, 80398450), (2, 40199225), (5, 16079690), (10, 8039845), (11, 7308950), (22, 3654475), (25, 3215938), (50, 1607969), (55, 1461790), (97, 828850), (110, 730895), (121, 664450), (137, 586850), (194, 414425), (242, 332225), (274, 293425), (275, 292358), (485, 165770), (550, 146179), (605, 132890), (685, 117370), (970, 82885), (1067, 75350), (1210, 66445), (1370, 58685), (1507, 53350), (2134, 37675), (2425, 33154), (3014, 26675), (3025, 26578), (3425, 23474), (4850, 16577), (5335, 15070), (6050, 13289), (6850, 11737), (7535, 10670)]