620133020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{6607}}^1$

素因数の和:6667

約数の個数: 72

約数和(自身を含む): 1480377024

約数和(自身を除く): 860244004

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 3610, 4693, 4940, 6607, 7220, 9386, 13214, 18772, 23465, 26428, 33035, 46930, 66070, 85891, 93860, 125533, 132140, 171782, 251066, 343564, 429455, 502132, 627665, 858910, 1255330, 1631929, 1717820, 2385127, 2510660, 3263858, 4770254, 6527716, 8159645, 9540508, 11925635, 16319290, 23851270, 31006651, 32638580, 47702540, 62013302, 124026604, 155033255, 310066510, 620133020]

約数ペア:

[(1, 620133020), (2, 310066510), (4, 155033255), (5, 124026604), (10, 62013302), (13, 47702540), (19, 32638580), (20, 31006651), (26, 23851270), (38, 16319290), (52, 11925635), (65, 9540508), (76, 8159645), (95, 6527716), (130, 4770254), (190, 3263858), (247, 2510660), (260, 2385127), (361, 1717820), (380, 1631929), (494, 1255330), (722, 858910), (988, 627665), (1235, 502132), (1444, 429455), (1805, 343564), (2470, 251066), (3610, 171782), (4693, 132140), (4940, 125533), (6607, 93860), (7220, 85891), (9386, 66070), (13214, 46930), (18772, 33035), (23465, 26428)]