215510000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 100

約数和(自身を含む): 545038032

約数和(自身を除く): 329528032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 625, 920, 937, 1000, 1150, 1250, 1840, 1874, 2000, 2300, 2500, 2875, 3748, 4600, 4685, 5000, 5750, 7496, 9200, 9370, 10000, 11500, 14375, 14992, 18740, 21551, 23000, 23425, 28750, 37480, 43102, 46000, 46850, 57500, 74960, 86204, 93700, 107755, 115000, 117125, 172408, 187400, 215510, 230000, 234250, 344816, 374800, 431020, 468500, 538775, 585625, 862040, 937000, 1077550, 1171250, 1724080, 1874000, 2155100, 2342500, 2693875, 4310200, 4685000, 5387750, 8620400, 9370000, 10775500, 13469375, 21551000, 26938750, 43102000, 53877500, 107755000, 215510000]

約数ペア:

[(1, 215510000), (2, 107755000), (4, 53877500), (5, 43102000), (8, 26938750), (10, 21551000), (16, 13469375), (20, 10775500), (23, 9370000), (25, 8620400), (40, 5387750), (46, 4685000), (50, 4310200), (80, 2693875), (92, 2342500), (100, 2155100), (115, 1874000), (125, 1724080), (184, 1171250), (200, 1077550), (230, 937000), (250, 862040), (368, 585625), (400, 538775), (460, 468500), (500, 431020), (575, 374800), (625, 344816), (920, 234250), (937, 230000), (1000, 215510), (1150, 187400), (1250, 172408), (1840, 117125), (1874, 115000), (2000, 107755), (2300, 93700), (2500, 86204), (2875, 74960), (3748, 57500), (4600, 46850), (4685, 46000), (5000, 43102), (5750, 37480), (7496, 28750), (9200, 23425), (9370, 23000), (10000, 21551), (11500, 18740), (14375, 14992)]