2175700900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{2011}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 4889964800

約数和(自身を除く): 2714263900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 349, 620, 698, 775, 1396, 1550, 1745, 2011, 3100, 3490, 4022, 6980, 8044, 8725, 10055, 10819, 17450, 20110, 21638, 34900, 40220, 43276, 50275, 54095, 62341, 100550, 108190, 124682, 201100, 216380, 249364, 270475, 311705, 540950, 623410, 701839, 1081900, 1246820, 1403678, 1558525, 2807356, 3117050, 3509195, 6234100, 7018390, 14036780, 17545975, 21757009, 35091950, 43514018, 70183900, 87028036, 108785045, 217570090, 435140180, 543925225, 1087850450, 2175700900]

約数ペア:

[(1, 2175700900), (2, 1087850450), (4, 543925225), (5, 435140180), (10, 217570090), (20, 108785045), (25, 87028036), (31, 70183900), (50, 43514018), (62, 35091950), (100, 21757009), (124, 17545975), (155, 14036780), (310, 7018390), (349, 6234100), (620, 3509195), (698, 3117050), (775, 2807356), (1396, 1558525), (1550, 1403678), (1745, 1246820), (2011, 1081900), (3100, 701839), (3490, 623410), (4022, 540950), (6980, 311705), (8044, 270475), (8725, 249364), (10055, 216380), (10819, 201100), (17450, 124682), (20110, 108190), (21638, 100550), (34900, 62341), (40220, 54095), (43276, 50275)]