257355350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 609148512

約数和(自身を除く): 351793162

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 37, 49, 50, 70, 74, 85, 98, 119, 167, 170, 175, 185, 238, 245, 259, 334, 350, 370, 425, 490, 518, 595, 629, 833, 835, 850, 925, 1169, 1190, 1225, 1258, 1295, 1666, 1670, 1813, 1850, 2338, 2450, 2590, 2839, 2975, 3145, 3626, 4165, 4175, 4403, 5678, 5845, 5950, 6179, 6290, 6475, 8183, 8330, 8350, 8806, 9065, 11690, 12358, 12950, 14195, 15725, 16366, 18130, 19873, 20825, 22015, 28390, 29225, 30821, 30895, 31450, 39746, 40915, 41650, 43253, 44030, 45325, 58450, 61642, 61790, 70975, 81830, 86506, 90650, 99365, 105043, 110075, 139111, 141950, 154105, 154475, 198730, 204575, 210086, 216265, 220150, 278222, 302771, 308210, 308950, 409150, 432530, 496825, 525215, 605542, 695555, 735301, 770525, 993650, 1050430, 1081325, 1391110, 1470602, 1513855, 1541050, 2162650, 2626075, 3027710, 3477775, 3676505, 5147107, 5252150, 6955550, 7353010, 7569275, 10294214, 15138550, 18382525, 25735535, 36765050, 51471070, 128677675, 257355350]

約数ペア:

[(1, 257355350), (2, 128677675), (5, 51471070), (7, 36765050), (10, 25735535), (14, 18382525), (17, 15138550), (25, 10294214), (34, 7569275), (35, 7353010), (37, 6955550), (49, 5252150), (50, 5147107), (70, 3676505), (74, 3477775), (85, 3027710), (98, 2626075), (119, 2162650), (167, 1541050), (170, 1513855), (175, 1470602), (185, 1391110), (238, 1081325), (245, 1050430), (259, 993650), (334, 770525), (350, 735301), (370, 695555), (425, 605542), (490, 525215), (518, 496825), (595, 432530), (629, 409150), (833, 308950), (835, 308210), (850, 302771), (925, 278222), (1169, 220150), (1190, 216265), (1225, 210086), (1258, 204575), (1295, 198730), (1666, 154475), (1670, 154105), (1813, 141950), (1850, 139111), (2338, 110075), (2450, 105043), (2590, 99365), (2839, 90650), (2975, 86506), (3145, 81830), (3626, 70975), (4165, 61790), (4175, 61642), (4403, 58450), (5678, 45325), (5845, 44030), (5950, 43253), (6179, 41650), (6290, 40915), (6475, 39746), (8183, 31450), (8330, 30895), (8350, 30821), (8806, 29225), (9065, 28390), (11690, 22015), (12358, 20825), (12950, 19873), (14195, 18130), (15725, 16366)]