81843650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 175006656

約数和(自身を除く): 93163006

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 350, 394, 985, 1187, 1379, 1970, 2374, 2758, 4925, 5935, 6895, 8309, 9850, 11870, 13790, 16618, 29675, 34475, 41545, 59350, 68950, 83090, 207725, 233839, 415450, 467678, 1169195, 1636873, 2338390, 3273746, 5845975, 8184365, 11691950, 16368730, 40921825, 81843650]

約数ペア:

[(1, 81843650), (2, 40921825), (5, 16368730), (7, 11691950), (10, 8184365), (14, 5845975), (25, 3273746), (35, 2338390), (50, 1636873), (70, 1169195), (175, 467678), (197, 415450), (350, 233839), (394, 207725), (985, 83090), (1187, 68950), (1379, 59350), (1970, 41545), (2374, 34475), (2758, 29675), (4925, 16618), (5935, 13790), (6895, 11870), (8309, 9850)]