389870950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 857088000

約数和(自身を除く): 467217050

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 127, 175, 179, 245, 254, 343, 350, 358, 490, 635, 686, 889, 895, 1225, 1253, 1270, 1715, 1778, 1790, 2450, 2506, 3175, 3430, 4445, 4475, 6223, 6265, 6350, 8575, 8771, 8890, 8950, 12446, 12530, 17150, 17542, 22225, 22733, 31115, 31325, 43561, 43855, 44450, 45466, 61397, 62230, 62650, 87122, 87710, 113665, 122794, 155575, 159131, 217805, 219275, 227330, 306985, 311150, 318262, 435610, 438550, 568325, 613970, 795655, 1089025, 1113917, 1136650, 1534925, 1591310, 2178050, 2227834, 3069850, 3978275, 5569585, 7797419, 7956550, 11139170, 15594838, 27847925, 38987095, 55695850, 77974190, 194935475, 389870950]

約数ペア:

[(1, 389870950), (2, 194935475), (5, 77974190), (7, 55695850), (10, 38987095), (14, 27847925), (25, 15594838), (35, 11139170), (49, 7956550), (50, 7797419), (70, 5569585), (98, 3978275), (127, 3069850), (175, 2227834), (179, 2178050), (245, 1591310), (254, 1534925), (343, 1136650), (350, 1113917), (358, 1089025), (490, 795655), (635, 613970), (686, 568325), (889, 438550), (895, 435610), (1225, 318262), (1253, 311150), (1270, 306985), (1715, 227330), (1778, 219275), (1790, 217805), (2450, 159131), (2506, 155575), (3175, 122794), (3430, 113665), (4445, 87710), (4475, 87122), (6223, 62650), (6265, 62230), (6350, 61397), (8575, 45466), (8771, 44450), (8890, 43855), (8950, 43561), (12446, 31325), (12530, 31115), (17150, 22733), (17542, 22225)]