989931500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1459}}^1$

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 2295820800

約数和(自身を除く): 1305889300

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 59, 92, 100, 115, 118, 125, 230, 236, 250, 295, 460, 500, 575, 590, 1150, 1180, 1357, 1459, 1475, 2300, 2714, 2875, 2918, 2950, 5428, 5750, 5836, 5900, 6785, 7295, 7375, 11500, 13570, 14590, 14750, 27140, 29180, 29500, 33557, 33925, 36475, 67114, 67850, 72950, 86081, 134228, 135700, 145900, 167785, 169625, 172162, 182375, 335570, 339250, 344324, 364750, 430405, 671140, 678500, 729500, 838925, 860810, 1677850, 1721620, 1979863, 2152025, 3355700, 3959726, 4194625, 4304050, 7919452, 8389250, 8608100, 9899315, 10760125, 16778500, 19798630, 21520250, 39597260, 43040500, 49496575, 98993150, 197986300, 247482875, 494965750, 989931500]

約数ペア:

[(1, 989931500), (2, 494965750), (4, 247482875), (5, 197986300), (10, 98993150), (20, 49496575), (23, 43040500), (25, 39597260), (46, 21520250), (50, 19798630), (59, 16778500), (92, 10760125), (100, 9899315), (115, 8608100), (118, 8389250), (125, 7919452), (230, 4304050), (236, 4194625), (250, 3959726), (295, 3355700), (460, 2152025), (500, 1979863), (575, 1721620), (590, 1677850), (1150, 860810), (1180, 838925), (1357, 729500), (1459, 678500), (1475, 671140), (2300, 430405), (2714, 364750), (2875, 344324), (2918, 339250), (2950, 335570), (5428, 182375), (5750, 172162), (5836, 169625), (5900, 167785), (6785, 145900), (7295, 135700), (7375, 134228), (11500, 86081), (13570, 72950), (14590, 67850), (14750, 67114), (27140, 36475), (29180, 33925), (29500, 33557)]