990182440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{8539}}^1$

素因数の和:8786

約数の個数: 64

約数和(自身を含む): 2410329600

約数和(自身を除く): 1420147160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 892, 1115, 1784, 2230, 2899, 4460, 5798, 8539, 8920, 11596, 14495, 17078, 23192, 28990, 34156, 42695, 57980, 68312, 85390, 111007, 115960, 170780, 222014, 341560, 444028, 555035, 888056, 1110070, 1904197, 2220140, 3808394, 4440280, 7616788, 9520985, 15233576, 19041970, 24754561, 38083940, 49509122, 76167880, 99018244, 123772805, 198036488, 247545610, 495091220, 990182440]

約数ペア:

[(1, 990182440), (2, 495091220), (4, 247545610), (5, 198036488), (8, 123772805), (10, 99018244), (13, 76167880), (20, 49509122), (26, 38083940), (40, 24754561), (52, 19041970), (65, 15233576), (104, 9520985), (130, 7616788), (223, 4440280), (260, 3808394), (446, 2220140), (520, 1904197), (892, 1110070), (1115, 888056), (1784, 555035), (2230, 444028), (2899, 341560), (4460, 222014), (5798, 170780), (8539, 115960), (8920, 111007), (11596, 85390), (14495, 68312), (17078, 57980), (23192, 42695), (28990, 34156)]