221798800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 90

約数和(自身を含む): 551569794

約数和(自身を除く): 329770994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 577, 620, 775, 961, 1154, 1240, 1550, 1922, 2308, 2480, 2885, 3100, 3844, 4616, 4805, 5770, 6200, 7688, 9232, 9610, 11540, 12400, 14425, 15376, 17887, 19220, 23080, 24025, 28850, 35774, 38440, 46160, 48050, 57700, 71548, 76880, 89435, 96100, 115400, 143096, 178870, 192200, 230800, 286192, 357740, 384400, 447175, 554497, 715480, 894350, 1108994, 1430960, 1788700, 2217988, 2772485, 3577400, 4435976, 5544970, 7154800, 8871952, 11089940, 13862425, 22179880, 27724850, 44359760, 55449700, 110899400, 221798800]

約数ペア:

[(1, 221798800), (2, 110899400), (4, 55449700), (5, 44359760), (8, 27724850), (10, 22179880), (16, 13862425), (20, 11089940), (25, 8871952), (31, 7154800), (40, 5544970), (50, 4435976), (62, 3577400), (80, 2772485), (100, 2217988), (124, 1788700), (155, 1430960), (200, 1108994), (248, 894350), (310, 715480), (400, 554497), (496, 447175), (577, 384400), (620, 357740), (775, 286192), (961, 230800), (1154, 192200), (1240, 178870), (1550, 143096), (1922, 115400), (2308, 96100), (2480, 89435), (2885, 76880), (3100, 71548), (3844, 57700), (4616, 48050), (4805, 46160), (5770, 38440), (6200, 35774), (7688, 28850), (9232, 24025), (9610, 23080), (11540, 19220), (12400, 17887), (14425, 15376)]