27319460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 67980024

約数和(自身を除く): 40660564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 457, 490, 610, 854, 914, 980, 1220, 1708, 1828, 2135, 2285, 2989, 3199, 4270, 4570, 5978, 6398, 8540, 9140, 11956, 12796, 14945, 15995, 22393, 27877, 29890, 31990, 44786, 55754, 59780, 63980, 89572, 111508, 111965, 139385, 195139, 223930, 278770, 390278, 447860, 557540, 780556, 975695, 1365973, 1951390, 2731946, 3902780, 5463892, 6829865, 13659730, 27319460]

約数ペア:

[(1, 27319460), (2, 13659730), (4, 6829865), (5, 5463892), (7, 3902780), (10, 2731946), (14, 1951390), (20, 1365973), (28, 975695), (35, 780556), (49, 557540), (61, 447860), (70, 390278), (98, 278770), (122, 223930), (140, 195139), (196, 139385), (244, 111965), (245, 111508), (305, 89572), (427, 63980), (457, 59780), (490, 55754), (610, 44786), (854, 31990), (914, 29890), (980, 27877), (1220, 22393), (1708, 15995), (1828, 14945), (2135, 12796), (2285, 11956), (2989, 9140), (3199, 8540), (4270, 6398), (4570, 5978)]