212258760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3559}}^1$

素因数の和:3651

約数の個数: 128

約数和(自身を含む): 738201600

約数和(自身を除く): 525942840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3559, 3976, 4260, 4970, 5964, 7118, 7455, 8520, 9940, 10677, 11928, 14236, 14910, 17795, 19880, 21354, 24913, 28472, 29820, 35590, 42708, 49826, 53385, 59640, 71180, 74739, 85416, 99652, 106770, 124565, 142360, 149478, 199304, 213540, 249130, 252689, 298956, 373695, 427080, 498260, 505378, 597912, 747390, 758067, 996520, 1010756, 1263445, 1494780, 1516134, 1768823, 2021512, 2526890, 2989560, 3032268, 3537646, 3790335, 5053780, 5306469, 6064536, 7075292, 7580670, 8844115, 10107560, 10612938, 14150584, 15161340, 17688230, 21225876, 26532345, 30322680, 35376460, 42451752, 53064690, 70752920, 106129380, 212258760]

約数ペア:

[(1, 212258760), (2, 106129380), (3, 70752920), (4, 53064690), (5, 42451752), (6, 35376460), (7, 30322680), (8, 26532345), (10, 21225876), (12, 17688230), (14, 15161340), (15, 14150584), (20, 10612938), (21, 10107560), (24, 8844115), (28, 7580670), (30, 7075292), (35, 6064536), (40, 5306469), (42, 5053780), (56, 3790335), (60, 3537646), (70, 3032268), (71, 2989560), (84, 2526890), (105, 2021512), (120, 1768823), (140, 1516134), (142, 1494780), (168, 1263445), (210, 1010756), (213, 996520), (280, 758067), (284, 747390), (355, 597912), (420, 505378), (426, 498260), (497, 427080), (568, 373695), (710, 298956), (840, 252689), (852, 249130), (994, 213540), (1065, 199304), (1420, 149478), (1491, 142360), (1704, 124565), (1988, 106770), (2130, 99652), (2485, 85416), (2840, 74739), (2982, 71180), (3559, 59640), (3976, 53385), (4260, 49826), (4970, 42708), (5964, 35590), (7118, 29820), (7455, 28472), (8520, 24913), (9940, 21354), (10677, 19880), (11928, 17795), (14236, 14910)]