90270740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13159}}^1$

素因数の和:13189

約数の個数: 48

約数和(自身を含む): 221088000

約数和(自身を除く): 130817260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 13159, 26318, 52636, 65795, 92113, 131590, 184226, 263180, 368452, 460565, 644791, 921130, 1289582, 1842260, 2579164, 3223955, 4513537, 6447910, 9027074, 12895820, 18054148, 22567685, 45135370, 90270740]

約数ペア:

[(1, 90270740), (2, 45135370), (4, 22567685), (5, 18054148), (7, 12895820), (10, 9027074), (14, 6447910), (20, 4513537), (28, 3223955), (35, 2579164), (49, 1842260), (70, 1289582), (98, 921130), (140, 644791), (196, 460565), (245, 368452), (343, 263180), (490, 184226), (686, 131590), (980, 92113), (1372, 65795), (1715, 52636), (3430, 26318), (6860, 13159)]