2019942583240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1\times {\mathrm{1267757}}^1$

素因数の和:1268482

約数の個数: 64

約数和(自身を含む): 4626454624560

約数和(自身を除く): 2606512041320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 653, 1220, 1306, 2440, 2612, 3265, 5224, 6530, 13060, 26120, 39833, 79666, 159332, 199165, 318664, 398330, 796660, 1267757, 1593320, 2535514, 5071028, 6338785, 10142056, 12677570, 25355140, 50710280, 77333177, 154666354, 309332708, 386665885, 618665416, 773331770, 827845321, 1546663540, 1655690642, 3093327080, 3311381284, 4139226605, 6622762568, 8278453210, 16556906420, 33113812840, 50498564581, 100997129162, 201994258324, 252492822905, 403988516648, 504985645810, 1009971291620, 2019942583240]

約数ペア:

[(1, 2019942583240), (2, 1009971291620), (4, 504985645810), (5, 403988516648), (8, 252492822905), (10, 201994258324), (20, 100997129162), (40, 50498564581), (61, 33113812840), (122, 16556906420), (244, 8278453210), (305, 6622762568), (488, 4139226605), (610, 3311381284), (653, 3093327080), (1220, 1655690642), (1306, 1546663540), (2440, 827845321), (2612, 773331770), (3265, 618665416), (5224, 386665885), (6530, 309332708), (13060, 154666354), (26120, 77333177), (39833, 50710280), (79666, 25355140), (159332, 12677570), (199165, 10142056), (318664, 6338785), (398330, 5071028), (796660, 2535514), (1267757, 1593320)]