31130740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 74995200

約数和(自身を除く): 43864460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 61, 68, 76, 79, 85, 95, 122, 158, 170, 190, 244, 305, 316, 323, 340, 380, 395, 610, 646, 790, 1037, 1159, 1220, 1292, 1343, 1501, 1580, 1615, 2074, 2318, 2686, 3002, 3230, 4148, 4636, 4819, 5185, 5372, 5795, 6004, 6460, 6715, 7505, 9638, 10370, 11590, 13430, 15010, 19276, 19703, 20740, 23180, 24095, 25517, 26860, 30020, 39406, 48190, 51034, 78812, 81923, 91561, 96380, 98515, 102068, 127585, 163846, 183122, 197030, 255170, 327692, 366244, 394060, 409615, 457805, 510340, 819230, 915610, 1556537, 1638460, 1831220, 3113074, 6226148, 7782685, 15565370, 31130740]

約数ペア:

[(1, 31130740), (2, 15565370), (4, 7782685), (5, 6226148), (10, 3113074), (17, 1831220), (19, 1638460), (20, 1556537), (34, 915610), (38, 819230), (61, 510340), (68, 457805), (76, 409615), (79, 394060), (85, 366244), (95, 327692), (122, 255170), (158, 197030), (170, 183122), (190, 163846), (244, 127585), (305, 102068), (316, 98515), (323, 96380), (340, 91561), (380, 81923), (395, 78812), (610, 51034), (646, 48190), (790, 39406), (1037, 30020), (1159, 26860), (1220, 25517), (1292, 24095), (1343, 23180), (1501, 20740), (1580, 19703), (1615, 19276), (2074, 15010), (2318, 13430), (2686, 11590), (3002, 10370), (3230, 9638), (4148, 7505), (4636, 6715), (4819, 6460), (5185, 6004), (5372, 5795)]