498561520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 1226126880

約数和(自身を除く): 727565360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 241, 304, 380, 482, 760, 964, 1205, 1361, 1520, 1928, 2410, 2722, 3856, 4579, 4820, 5444, 6805, 9158, 9640, 10888, 13610, 18316, 19280, 21776, 22895, 25859, 27220, 36632, 45790, 51718, 54440, 73264, 91580, 103436, 108880, 129295, 183160, 206872, 258590, 328001, 366320, 413744, 517180, 656002, 1034360, 1312004, 1640005, 2068720, 2624008, 3280010, 5248016, 6232019, 6560020, 12464038, 13120040, 24928076, 26240080, 31160095, 49856152, 62320190, 99712304, 124640380, 249280760, 498561520]

約数ペア:

[(1, 498561520), (2, 249280760), (4, 124640380), (5, 99712304), (8, 62320190), (10, 49856152), (16, 31160095), (19, 26240080), (20, 24928076), (38, 13120040), (40, 12464038), (76, 6560020), (80, 6232019), (95, 5248016), (152, 3280010), (190, 2624008), (241, 2068720), (304, 1640005), (380, 1312004), (482, 1034360), (760, 656002), (964, 517180), (1205, 413744), (1361, 366320), (1520, 328001), (1928, 258590), (2410, 206872), (2722, 183160), (3856, 129295), (4579, 108880), (4820, 103436), (5444, 91580), (6805, 73264), (9158, 54440), (9640, 51718), (10888, 45790), (13610, 36632), (18316, 27220), (19280, 25859), (21776, 22895)]