2018088520

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{21013}}^1$

素因数の和:21052

約数の個数: 80

約数和(自身を含む): 5297419260

約数和(自身を除く): 3279330740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4802, 6860, 9604, 12005, 13720, 19208, 21013, 24010, 42026, 48020, 84052, 96040, 105065, 147091, 168104, 210130, 294182, 420260, 588364, 735455, 840520, 1029637, 1176728, 1470910, 2059274, 2941820, 4118548, 5148185, 5883640, 7207459, 8237096, 10296370, 14414918, 20592740, 28829836, 36037295, 41185480, 50452213, 57659672, 72074590, 100904426, 144149180, 201808852, 252261065, 288298360, 403617704, 504522130, 1009044260, 2018088520]

約数ペア:

[(1, 2018088520), (2, 1009044260), (4, 504522130), (5, 403617704), (7, 288298360), (8, 252261065), (10, 201808852), (14, 144149180), (20, 100904426), (28, 72074590), (35, 57659672), (40, 50452213), (49, 41185480), (56, 36037295), (70, 28829836), (98, 20592740), (140, 14414918), (196, 10296370), (245, 8237096), (280, 7207459), (343, 5883640), (392, 5148185), (490, 4118548), (686, 2941820), (980, 2059274), (1372, 1470910), (1715, 1176728), (1960, 1029637), (2401, 840520), (2744, 735455), (3430, 588364), (4802, 420260), (6860, 294182), (9604, 210130), (12005, 168104), (13720, 147091), (19208, 105065), (21013, 96040), (24010, 84052), (42026, 48020)]