202077640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6982

約数の個数: 64

約数和(自身を含む): 492687360

約数和(自身を除く): 290609720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 6911, 7310, 13822, 14620, 27644, 29240, 34555, 55288, 69110, 117487, 138220, 234974, 276440, 297173, 469948, 587435, 594346, 939896, 1174870, 1188692, 1485865, 2349740, 2377384, 2971730, 4699480, 5051941, 5943460, 10103882, 11886920, 20207764, 25259705, 40415528, 50519410, 101038820, 202077640]

約数ペア:

[(1, 202077640), (2, 101038820), (4, 50519410), (5, 40415528), (8, 25259705), (10, 20207764), (17, 11886920), (20, 10103882), (34, 5943460), (40, 5051941), (43, 4699480), (68, 2971730), (85, 2377384), (86, 2349740), (136, 1485865), (170, 1188692), (172, 1174870), (215, 939896), (340, 594346), (344, 587435), (430, 469948), (680, 297173), (731, 276440), (860, 234974), (1462, 138220), (1720, 117487), (2924, 69110), (3655, 55288), (5848, 34555), (6911, 29240), (7310, 27644), (13822, 14620)]