2017906100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 5155920000

約数和(自身を除く): 3138013900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 109, 140, 175, 212, 218, 265, 350, 371, 436, 499, 530, 545, 700, 742, 763, 998, 1060, 1090, 1325, 1484, 1526, 1855, 1996, 2180, 2495, 2650, 2725, 3052, 3493, 3710, 3815, 4990, 5300, 5450, 5777, 6986, 7420, 7630, 9275, 9980, 10900, 11554, 12475, 13972, 15260, 17465, 18550, 19075, 23108, 24950, 26447, 28885, 34930, 37100, 38150, 40439, 49900, 52894, 54391, 57770, 69860, 76300, 80878, 87325, 105788, 108782, 115540, 132235, 144425, 161756, 174650, 185129, 202195, 217564, 264470, 271955, 288850, 349300, 370258, 380737, 404390, 528940, 543910, 577700, 661175, 740516, 761474, 808780, 925645, 1010975, 1087820, 1322350, 1359775, 1522948, 1851290, 1903685, 2021950, 2644700, 2719550, 2882723, 3702580, 3807370, 4043900, 4628225, 5439100, 5765446, 7614740, 9256450, 9518425, 11530892, 14413615, 18512900, 19036850, 20179061, 28827230, 38073700, 40358122, 57654460, 72068075, 80716244, 100895305, 144136150, 201790610, 288272300, 403581220, 504476525, 1008953050, 2017906100]

約数ペア:

[(1, 2017906100), (2, 1008953050), (4, 504476525), (5, 403581220), (7, 288272300), (10, 201790610), (14, 144136150), (20, 100895305), (25, 80716244), (28, 72068075), (35, 57654460), (50, 40358122), (53, 38073700), (70, 28827230), (100, 20179061), (106, 19036850), (109, 18512900), (140, 14413615), (175, 11530892), (212, 9518425), (218, 9256450), (265, 7614740), (350, 5765446), (371, 5439100), (436, 4628225), (499, 4043900), (530, 3807370), (545, 3702580), (700, 2882723), (742, 2719550), (763, 2644700), (998, 2021950), (1060, 1903685), (1090, 1851290), (1325, 1522948), (1484, 1359775), (1526, 1322350), (1855, 1087820), (1996, 1010975), (2180, 925645), (2495, 808780), (2650, 761474), (2725, 740516), (3052, 661175), (3493, 577700), (3710, 543910), (3815, 528940), (4990, 404390), (5300, 380737), (5450, 370258), (5777, 349300), (6986, 288850), (7420, 271955), (7630, 264470), (9275, 217564), (9980, 202195), (10900, 185129), (11554, 174650), (12475, 161756), (13972, 144425), (15260, 132235), (17465, 115540), (18550, 108782), (19075, 105788), (23108, 87325), (24950, 80878), (26447, 76300), (28885, 69860), (34930, 57770), (37100, 54391), (38150, 52894), (40439, 49900)]