619379420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 1495549440

約数和(自身を除く): 876170020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 109, 110, 115, 218, 220, 230, 253, 436, 460, 506, 545, 1012, 1090, 1123, 1199, 1265, 2180, 2246, 2398, 2507, 2530, 4492, 4796, 5014, 5060, 5615, 5995, 10028, 11230, 11990, 12353, 12535, 22460, 23980, 24706, 25070, 25829, 27577, 49412, 50140, 51658, 55154, 61765, 103316, 110308, 122407, 123530, 129145, 137885, 244814, 247060, 258290, 275770, 284119, 489628, 516580, 551540, 568238, 612035, 1136476, 1224070, 1346477, 1420595, 2448140, 2692954, 2815361, 2841190, 5385908, 5630722, 5682380, 6732385, 11261444, 13464770, 14076805, 26929540, 28153610, 30968971, 56307220, 61937942, 123875884, 154844855, 309689710, 619379420]

約数ペア:

[(1, 619379420), (2, 309689710), (4, 154844855), (5, 123875884), (10, 61937942), (11, 56307220), (20, 30968971), (22, 28153610), (23, 26929540), (44, 14076805), (46, 13464770), (55, 11261444), (92, 6732385), (109, 5682380), (110, 5630722), (115, 5385908), (218, 2841190), (220, 2815361), (230, 2692954), (253, 2448140), (436, 1420595), (460, 1346477), (506, 1224070), (545, 1136476), (1012, 612035), (1090, 568238), (1123, 551540), (1199, 516580), (1265, 489628), (2180, 284119), (2246, 275770), (2398, 258290), (2507, 247060), (2530, 244814), (4492, 137885), (4796, 129145), (5014, 123530), (5060, 122407), (5615, 110308), (5995, 103316), (10028, 61765), (11230, 55154), (11990, 51658), (12353, 50140), (12535, 49412), (22460, 27577), (23980, 25829), (24706, 25070)]