20180349500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{19717}}^1$

素因数の和:19848

約数の個数: 96

約数和(自身を含む): 46509240960

約数和(自身を除く): 26328891460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 125, 178, 230, 250, 356, 445, 460, 500, 575, 890, 1150, 1780, 2047, 2225, 2300, 2875, 4094, 4450, 5750, 8188, 8900, 10235, 11125, 11500, 19717, 20470, 22250, 39434, 40940, 44500, 51175, 78868, 98585, 102350, 197170, 204700, 255875, 394340, 453491, 492925, 511750, 906982, 985850, 1023500, 1754813, 1813964, 1971700, 2267455, 2464625, 3509626, 4534910, 4929250, 7019252, 8774065, 9069820, 9858500, 11337275, 17548130, 22674550, 35096260, 40360699, 43870325, 45349100, 56686375, 80721398, 87740650, 113372750, 161442796, 175481300, 201803495, 219351625, 226745500, 403606990, 438703250, 807213980, 877406500, 1009017475, 2018034950, 4036069900, 5045087375, 10090174750, 20180349500]

約数ペア:

[(1, 20180349500), (2, 10090174750), (4, 5045087375), (5, 4036069900), (10, 2018034950), (20, 1009017475), (23, 877406500), (25, 807213980), (46, 438703250), (50, 403606990), (89, 226745500), (92, 219351625), (100, 201803495), (115, 175481300), (125, 161442796), (178, 113372750), (230, 87740650), (250, 80721398), (356, 56686375), (445, 45349100), (460, 43870325), (500, 40360699), (575, 35096260), (890, 22674550), (1150, 17548130), (1780, 11337275), (2047, 9858500), (2225, 9069820), (2300, 8774065), (2875, 7019252), (4094, 4929250), (4450, 4534910), (5750, 3509626), (8188, 2464625), (8900, 2267455), (10235, 1971700), (11125, 1813964), (11500, 1754813), (19717, 1023500), (20470, 985850), (22250, 906982), (39434, 511750), (40940, 492925), (44500, 453491), (51175, 394340), (78868, 255875), (98585, 204700), (102350, 197170)]