85841740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 193379760

約数和(自身を除く): 107538020

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 67, 94, 116, 134, 145, 188, 235, 268, 290, 335, 470, 580, 670, 940, 1340, 1363, 1943, 2209, 2726, 3149, 3886, 4418, 5452, 6298, 6815, 7772, 8836, 9715, 11045, 12596, 13630, 15745, 19430, 22090, 27260, 31490, 38860, 44180, 62980, 64061, 91321, 128122, 148003, 182642, 256244, 296006, 320305, 365284, 456605, 592012, 640610, 740015, 913210, 1281220, 1480030, 1826420, 2960060, 4292087, 8584174, 17168348, 21460435, 42920870, 85841740]

約数ペア:

[(1, 85841740), (2, 42920870), (4, 21460435), (5, 17168348), (10, 8584174), (20, 4292087), (29, 2960060), (47, 1826420), (58, 1480030), (67, 1281220), (94, 913210), (116, 740015), (134, 640610), (145, 592012), (188, 456605), (235, 365284), (268, 320305), (290, 296006), (335, 256244), (470, 182642), (580, 148003), (670, 128122), (940, 91321), (1340, 64061), (1363, 62980), (1943, 44180), (2209, 38860), (2726, 31490), (3149, 27260), (3886, 22090), (4418, 19430), (5452, 15745), (6298, 13630), (6815, 12596), (7772, 11045), (8836, 9715)]