400440144

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 1166147584

約数和(自身を除く): 765707440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 127, 156, 163, 186, 208, 248, 254, 312, 326, 372, 381, 403, 489, 496, 508, 624, 652, 744, 762, 806, 978, 1016, 1209, 1304, 1488, 1524, 1612, 1651, 1956, 2032, 2119, 2418, 2608, 3048, 3224, 3302, 3912, 3937, 4238, 4836, 4953, 5053, 6096, 6357, 6448, 6604, 7824, 7874, 8476, 9672, 9906, 10106, 11811, 12714, 13208, 15159, 15748, 16952, 19344, 19812, 20212, 20701, 23622, 25428, 26416, 30318, 31496, 33904, 39624, 40424, 41402, 47244, 50856, 51181, 60636, 62103, 62992, 65689, 79248, 80848, 82804, 94488, 101712, 102362, 121272, 124206, 131378, 153543, 165608, 188976, 197067, 204724, 242544, 248412, 262756, 269113, 307086, 331216, 394134, 409448, 496824, 525512, 538226, 614172, 641731, 788268, 807339, 818896, 993648, 1051024, 1076452, 1228344, 1283462, 1576536, 1614678, 1925193, 2152904, 2456688, 2566924, 3153072, 3229356, 3850386, 4305808, 5133848, 6458712, 7700772, 8342503, 10267696, 12917424, 15401544, 16685006, 25027509, 30803088, 33370012, 50055018, 66740024, 100110036, 133480048, 200220072, 400440144]

約数ペア:

[(1, 400440144), (2, 200220072), (3, 133480048), (4, 100110036), (6, 66740024), (8, 50055018), (12, 33370012), (13, 30803088), (16, 25027509), (24, 16685006), (26, 15401544), (31, 12917424), (39, 10267696), (48, 8342503), (52, 7700772), (62, 6458712), (78, 5133848), (93, 4305808), (104, 3850386), (124, 3229356), (127, 3153072), (156, 2566924), (163, 2456688), (186, 2152904), (208, 1925193), (248, 1614678), (254, 1576536), (312, 1283462), (326, 1228344), (372, 1076452), (381, 1051024), (403, 993648), (489, 818896), (496, 807339), (508, 788268), (624, 641731), (652, 614172), (744, 538226), (762, 525512), (806, 496824), (978, 409448), (1016, 394134), (1209, 331216), (1304, 307086), (1488, 269113), (1524, 262756), (1612, 248412), (1651, 242544), (1956, 204724), (2032, 197067), (2119, 188976), (2418, 165608), (2608, 153543), (3048, 131378), (3224, 124206), (3302, 121272), (3912, 102362), (3937, 101712), (4238, 94488), (4836, 82804), (4953, 80848), (5053, 79248), (6096, 65689), (6357, 62992), (6448, 62103), (6604, 60636), (7824, 51181), (7874, 50856), (8476, 47244), (9672, 41402), (9906, 40424), (10106, 39624), (11811, 33904), (12714, 31496), (13208, 30318), (15159, 26416), (15748, 25428), (16952, 23622), (19344, 20701), (19812, 20212)]