4752020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 12534984

約数和(自身を除く): 7782964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 373, 455, 490, 637, 746, 910, 980, 1274, 1492, 1820, 1865, 2548, 2611, 3185, 3730, 4849, 5222, 6370, 7460, 9698, 10444, 12740, 13055, 18277, 19396, 24245, 26110, 33943, 36554, 48490, 52220, 67886, 73108, 91385, 96980, 135772, 169715, 182770, 237601, 339430, 365540, 475202, 678860, 950404, 1188005, 2376010, 4752020]

約数ペア:

[(1, 4752020), (2, 2376010), (4, 1188005), (5, 950404), (7, 678860), (10, 475202), (13, 365540), (14, 339430), (20, 237601), (26, 182770), (28, 169715), (35, 135772), (49, 96980), (52, 91385), (65, 73108), (70, 67886), (91, 52220), (98, 48490), (130, 36554), (140, 33943), (182, 26110), (196, 24245), (245, 19396), (260, 18277), (364, 13055), (373, 12740), (455, 10444), (490, 9698), (637, 7460), (746, 6370), (910, 5222), (980, 4849), (1274, 3730), (1492, 3185), (1820, 2611), (1865, 2548)]