83704740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 277167744

約数和(自身を除く): 193463004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 401, 420, 426, 490, 497, 588, 710, 735, 802, 852, 980, 994, 1065, 1203, 1420, 1470, 1491, 1604, 1988, 2005, 2130, 2406, 2485, 2807, 2940, 2982, 3479, 4010, 4260, 4812, 4970, 5614, 5964, 6015, 6958, 7455, 8020, 8421, 9940, 10437, 11228, 12030, 13916, 14035, 14910, 16842, 17395, 19649, 20874, 24060, 28070, 28471, 29820, 33684, 34790, 39298, 41748, 42105, 52185, 56140, 56942, 58947, 69580, 78596, 84210, 85413, 98245, 104370, 113884, 117894, 142355, 168420, 170826, 196490, 199297, 208740, 235788, 284710, 294735, 341652, 392980, 398594, 427065, 569420, 589470, 597891, 797188, 854130, 996485, 1178940, 1195782, 1395079, 1708260, 1992970, 2391564, 2790158, 2989455, 3985940, 4185237, 5580316, 5978910, 6975395, 8370474, 11957820, 13950790, 16740948, 20926185, 27901580, 41852370, 83704740]

約数ペア:

[(1, 83704740), (2, 41852370), (3, 27901580), (4, 20926185), (5, 16740948), (6, 13950790), (7, 11957820), (10, 8370474), (12, 6975395), (14, 5978910), (15, 5580316), (20, 4185237), (21, 3985940), (28, 2989455), (30, 2790158), (35, 2391564), (42, 1992970), (49, 1708260), (60, 1395079), (70, 1195782), (71, 1178940), (84, 996485), (98, 854130), (105, 797188), (140, 597891), (142, 589470), (147, 569420), (196, 427065), (210, 398594), (213, 392980), (245, 341652), (284, 294735), (294, 284710), (355, 235788), (401, 208740), (420, 199297), (426, 196490), (490, 170826), (497, 168420), (588, 142355), (710, 117894), (735, 113884), (802, 104370), (852, 98245), (980, 85413), (994, 84210), (1065, 78596), (1203, 69580), (1420, 58947), (1470, 56942), (1491, 56140), (1604, 52185), (1988, 42105), (2005, 41748), (2130, 39298), (2406, 34790), (2485, 33684), (2807, 29820), (2940, 28471), (2982, 28070), (3479, 24060), (4010, 20874), (4260, 19649), (4812, 17395), (4970, 16842), (5614, 14910), (5964, 14035), (6015, 13916), (6958, 12030), (7455, 11228), (8020, 10437), (8421, 9940)]