72668500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 169827840

約数和(自身を除く): 97159340

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 89, 92, 100, 115, 125, 142, 178, 230, 250, 284, 355, 356, 445, 460, 500, 575, 710, 890, 1150, 1420, 1633, 1775, 1780, 2047, 2225, 2300, 2875, 3266, 3550, 4094, 4450, 5750, 6319, 6532, 7100, 8165, 8188, 8875, 8900, 10235, 11125, 11500, 12638, 16330, 17750, 20470, 22250, 25276, 31595, 32660, 35500, 40825, 40940, 44500, 51175, 63190, 81650, 102350, 126380, 145337, 157975, 163300, 204125, 204700, 255875, 290674, 315950, 408250, 511750, 581348, 631900, 726685, 789875, 816500, 1023500, 1453370, 1579750, 2906740, 3159500, 3633425, 7266850, 14533700, 18167125, 36334250, 72668500]

約数ペア:

[(1, 72668500), (2, 36334250), (4, 18167125), (5, 14533700), (10, 7266850), (20, 3633425), (23, 3159500), (25, 2906740), (46, 1579750), (50, 1453370), (71, 1023500), (89, 816500), (92, 789875), (100, 726685), (115, 631900), (125, 581348), (142, 511750), (178, 408250), (230, 315950), (250, 290674), (284, 255875), (355, 204700), (356, 204125), (445, 163300), (460, 157975), (500, 145337), (575, 126380), (710, 102350), (890, 81650), (1150, 63190), (1420, 51175), (1633, 44500), (1775, 40940), (1780, 40825), (2047, 35500), (2225, 32660), (2300, 31595), (2875, 25276), (3266, 22250), (3550, 20470), (4094, 17750), (4450, 16330), (5750, 12638), (6319, 11500), (6532, 11125), (7100, 10235), (8165, 8900), (8188, 8875)]