251207320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9897

約数の個数: 96

約数和(自身を含む): 708145200

約数和(自身を除く): 456937880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 9859, 12740, 19718, 25480, 39436, 49295, 69013, 78872, 98590, 128167, 138026, 197180, 256334, 276052, 345065, 394360, 483091, 512668, 552104, 640835, 690130, 897169, 966182, 1025336, 1281670, 1380260, 1794338, 1932364, 2415455, 2563340, 2760520, 3588676, 3864728, 4485845, 4830910, 5126680, 6280183, 7177352, 8971690, 9661820, 12560366, 17943380, 19323640, 25120732, 31400915, 35886760, 50241464, 62801830, 125603660, 251207320]

約数ペア:

[(1, 251207320), (2, 125603660), (4, 62801830), (5, 50241464), (7, 35886760), (8, 31400915), (10, 25120732), (13, 19323640), (14, 17943380), (20, 12560366), (26, 9661820), (28, 8971690), (35, 7177352), (40, 6280183), (49, 5126680), (52, 4830910), (56, 4485845), (65, 3864728), (70, 3588676), (91, 2760520), (98, 2563340), (104, 2415455), (130, 1932364), (140, 1794338), (182, 1380260), (196, 1281670), (245, 1025336), (260, 966182), (280, 897169), (364, 690130), (392, 640835), (455, 552104), (490, 512668), (520, 483091), (637, 394360), (728, 345065), (910, 276052), (980, 256334), (1274, 197180), (1820, 138026), (1960, 128167), (2548, 98590), (3185, 78872), (3640, 69013), (5096, 49295), (6370, 39436), (9859, 25480), (12740, 19718)]