353172380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7681}}^1$

素因数の和:7731

約数の個数: 72

約数和(自身を含む): 858233040

約数和(自身を除く): 505060660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 7681, 9196, 11495, 15362, 22990, 30724, 38405, 45980, 76810, 84491, 145939, 153620, 168982, 291878, 337964, 422455, 583756, 729695, 844910, 929401, 1459390, 1605329, 1689820, 1858802, 2918780, 3210658, 3717604, 4647005, 6421316, 8026645, 9294010, 16053290, 17658619, 18588020, 32106580, 35317238, 70634476, 88293095, 176586190, 353172380]

約数ペア:

[(1, 353172380), (2, 176586190), (4, 88293095), (5, 70634476), (10, 35317238), (11, 32106580), (19, 18588020), (20, 17658619), (22, 16053290), (38, 9294010), (44, 8026645), (55, 6421316), (76, 4647005), (95, 3717604), (110, 3210658), (121, 2918780), (190, 1858802), (209, 1689820), (220, 1605329), (242, 1459390), (380, 929401), (418, 844910), (484, 729695), (605, 583756), (836, 422455), (1045, 337964), (1210, 291878), (2090, 168982), (2299, 153620), (2420, 145939), (4180, 84491), (4598, 76810), (7681, 45980), (9196, 38405), (11495, 30724), (15362, 22990)]