2512046740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 6315563520

約数和(自身を除く): 3803516780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 79, 98, 140, 142, 158, 196, 245, 284, 316, 355, 395, 457, 490, 497, 553, 710, 790, 914, 980, 994, 1106, 1420, 1580, 1828, 1988, 2212, 2285, 2485, 2765, 3199, 3479, 3871, 4570, 4970, 5530, 5609, 6398, 6958, 7742, 9140, 9940, 11060, 11218, 12796, 13916, 15484, 15995, 17395, 19355, 22393, 22436, 28045, 31990, 32447, 34790, 36103, 38710, 39263, 44786, 56090, 63980, 64894, 69580, 72206, 77420, 78526, 89572, 111965, 112180, 129788, 144412, 157052, 162235, 180515, 196315, 223930, 227129, 252721, 274841, 324470, 361030, 392630, 447860, 454258, 505442, 549682, 648940, 722060, 785260, 908516, 1010884, 1099364, 1135645, 1263605, 1374205, 1589903, 1769047, 2271290, 2527210, 2563313, 2748410, 3179806, 3538094, 4542580, 5054420, 5126626, 5496820, 6359612, 7076188, 7949515, 8845235, 10253252, 12816565, 15899030, 17690470, 17943191, 25633130, 31798060, 35380940, 35886382, 51266260, 71772764, 89715955, 125602337, 179431910, 251204674, 358863820, 502409348, 628011685, 1256023370, 2512046740]

約数ペア:

[(1, 2512046740), (2, 1256023370), (4, 628011685), (5, 502409348), (7, 358863820), (10, 251204674), (14, 179431910), (20, 125602337), (28, 89715955), (35, 71772764), (49, 51266260), (70, 35886382), (71, 35380940), (79, 31798060), (98, 25633130), (140, 17943191), (142, 17690470), (158, 15899030), (196, 12816565), (245, 10253252), (284, 8845235), (316, 7949515), (355, 7076188), (395, 6359612), (457, 5496820), (490, 5126626), (497, 5054420), (553, 4542580), (710, 3538094), (790, 3179806), (914, 2748410), (980, 2563313), (994, 2527210), (1106, 2271290), (1420, 1769047), (1580, 1589903), (1828, 1374205), (1988, 1263605), (2212, 1135645), (2285, 1099364), (2485, 1010884), (2765, 908516), (3199, 785260), (3479, 722060), (3871, 648940), (4570, 549682), (4970, 505442), (5530, 454258), (5609, 447860), (6398, 392630), (6958, 361030), (7742, 324470), (9140, 274841), (9940, 252721), (11060, 227129), (11218, 223930), (12796, 196315), (13916, 180515), (15484, 162235), (15995, 157052), (17395, 144412), (19355, 129788), (22393, 112180), (22436, 111965), (28045, 89572), (31990, 78526), (32447, 77420), (34790, 72206), (36103, 69580), (38710, 64894), (39263, 63980), (44786, 56090)]