51871400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 144187200

約数和(自身を除く): 92315800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 67, 70, 79, 98, 100, 134, 140, 158, 175, 196, 200, 245, 268, 280, 316, 335, 350, 392, 395, 469, 490, 536, 553, 632, 670, 700, 790, 938, 980, 1106, 1225, 1340, 1400, 1580, 1675, 1876, 1960, 1975, 2212, 2345, 2450, 2680, 2765, 3160, 3283, 3350, 3752, 3871, 3950, 4424, 4690, 4900, 5293, 5530, 6566, 6700, 7742, 7900, 9380, 9800, 10586, 11060, 11725, 13132, 13400, 13825, 15484, 15800, 16415, 18760, 19355, 21172, 22120, 23450, 26264, 26465, 27650, 30968, 32830, 37051, 38710, 42344, 46900, 52930, 55300, 65660, 74102, 77420, 82075, 93800, 96775, 105860, 110600, 131320, 132325, 148204, 154840, 164150, 185255, 193550, 211720, 259357, 264650, 296408, 328300, 370510, 387100, 518714, 529300, 656600, 741020, 774200, 926275, 1037428, 1058600, 1296785, 1482040, 1852550, 2074856, 2593570, 3705100, 5187140, 6483925, 7410200, 10374280, 12967850, 25935700, 51871400]

約数ペア:

[(1, 51871400), (2, 25935700), (4, 12967850), (5, 10374280), (7, 7410200), (8, 6483925), (10, 5187140), (14, 3705100), (20, 2593570), (25, 2074856), (28, 1852550), (35, 1482040), (40, 1296785), (49, 1058600), (50, 1037428), (56, 926275), (67, 774200), (70, 741020), (79, 656600), (98, 529300), (100, 518714), (134, 387100), (140, 370510), (158, 328300), (175, 296408), (196, 264650), (200, 259357), (245, 211720), (268, 193550), (280, 185255), (316, 164150), (335, 154840), (350, 148204), (392, 132325), (395, 131320), (469, 110600), (490, 105860), (536, 96775), (553, 93800), (632, 82075), (670, 77420), (700, 74102), (790, 65660), (938, 55300), (980, 52930), (1106, 46900), (1225, 42344), (1340, 38710), (1400, 37051), (1580, 32830), (1675, 30968), (1876, 27650), (1960, 26465), (1975, 26264), (2212, 23450), (2345, 22120), (2450, 21172), (2680, 19355), (2765, 18760), (3160, 16415), (3283, 15800), (3350, 15484), (3752, 13825), (3871, 13400), (3950, 13132), (4424, 11725), (4690, 11060), (4900, 10586), (5293, 9800), (5530, 9380), (6566, 7900), (6700, 7742)]