197513960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2927}}^1$

素因数の和:3186

約数の個数: 64

約数和(自身を含む): 510174720

約数和(自身を除く): 312660760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 2927, 3374, 4820, 5854, 6748, 8435, 9640, 11708, 13496, 14635, 16870, 20489, 23416, 29270, 33740, 40978, 58540, 67480, 81956, 102445, 117080, 163912, 204890, 409780, 705407, 819560, 1410814, 2821628, 3527035, 4937849, 5643256, 7054070, 9875698, 14108140, 19751396, 24689245, 28216280, 39502792, 49378490, 98756980, 197513960]

約数ペア:

[(1, 197513960), (2, 98756980), (4, 49378490), (5, 39502792), (7, 28216280), (8, 24689245), (10, 19751396), (14, 14108140), (20, 9875698), (28, 7054070), (35, 5643256), (40, 4937849), (56, 3527035), (70, 2821628), (140, 1410814), (241, 819560), (280, 705407), (482, 409780), (964, 204890), (1205, 163912), (1687, 117080), (1928, 102445), (2410, 81956), (2927, 67480), (3374, 58540), (4820, 40978), (5854, 33740), (6748, 29270), (8435, 23416), (9640, 20489), (11708, 16870), (13496, 14635)]