520045890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2784

約数の個数: 128

約数和(自身を含む): 1558351872

約数和(自身を除く): 1038305982

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 71, 78, 91, 105, 130, 142, 182, 195, 210, 213, 273, 355, 390, 426, 455, 497, 546, 710, 910, 923, 994, 1065, 1365, 1491, 1846, 2130, 2485, 2683, 2730, 2769, 2982, 4615, 4970, 5366, 5538, 6461, 7455, 8049, 9230, 12922, 13415, 13845, 14910, 16098, 18781, 19383, 26830, 27690, 32305, 34879, 37562, 38766, 40245, 56343, 64610, 69758, 80490, 93905, 96915, 104637, 112686, 174395, 187810, 190493, 193830, 209274, 244153, 281715, 348790, 380986, 488306, 523185, 563430, 571479, 732459, 952465, 1046370, 1142958, 1220765, 1333451, 1464918, 1904930, 2441530, 2476409, 2666902, 2857395, 3662295, 4000353, 4952818, 5714790, 6667255, 7324590, 7429227, 8000706, 12382045, 13334510, 14858454, 17334863, 20001765, 24764090, 34669726, 37146135, 40003530, 52004589, 74292270, 86674315, 104009178, 173348630, 260022945, 520045890]

約数ペア:

[(1, 520045890), (2, 260022945), (3, 173348630), (5, 104009178), (6, 86674315), (7, 74292270), (10, 52004589), (13, 40003530), (14, 37146135), (15, 34669726), (21, 24764090), (26, 20001765), (30, 17334863), (35, 14858454), (39, 13334510), (42, 12382045), (65, 8000706), (70, 7429227), (71, 7324590), (78, 6667255), (91, 5714790), (105, 4952818), (130, 4000353), (142, 3662295), (182, 2857395), (195, 2666902), (210, 2476409), (213, 2441530), (273, 1904930), (355, 1464918), (390, 1333451), (426, 1220765), (455, 1142958), (497, 1046370), (546, 952465), (710, 732459), (910, 571479), (923, 563430), (994, 523185), (1065, 488306), (1365, 380986), (1491, 348790), (1846, 281715), (2130, 244153), (2485, 209274), (2683, 193830), (2730, 190493), (2769, 187810), (2982, 174395), (4615, 112686), (4970, 104637), (5366, 96915), (5538, 93905), (6461, 80490), (7455, 69758), (8049, 64610), (9230, 56343), (12922, 40245), (13415, 38766), (13845, 37562), (14910, 34879), (16098, 32305), (18781, 27690), (19383, 26830)]