21856554050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{18539}}^1$

素因数の和:18660

約数の個数: 96

約数和(自身を含む): 45933220800

約数和(自身を除く): 24076666750

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 73, 85, 95, 146, 170, 190, 323, 365, 425, 475, 646, 730, 850, 950, 1241, 1387, 1615, 1825, 2482, 2774, 3230, 3650, 6205, 6935, 8075, 12410, 13870, 16150, 18539, 23579, 31025, 34675, 37078, 47158, 62050, 69350, 92695, 117895, 185390, 235790, 315163, 352241, 463475, 589475, 630326, 704482, 926950, 1178950, 1353347, 1575815, 1761205, 2706694, 3151630, 3522410, 5988097, 6766735, 7879075, 8806025, 11976194, 13533470, 15758150, 17612050, 23006899, 25713593, 29940485, 33833675, 46013798, 51427186, 59880970, 67667350, 115034495, 128567965, 149702425, 230068990, 257135930, 299404850, 437131081, 575172475, 642839825, 874262162, 1150344950, 1285679650, 2185655405, 4371310810, 10928277025, 21856554050]

約数ペア:

[(1, 21856554050), (2, 10928277025), (5, 4371310810), (10, 2185655405), (17, 1285679650), (19, 1150344950), (25, 874262162), (34, 642839825), (38, 575172475), (50, 437131081), (73, 299404850), (85, 257135930), (95, 230068990), (146, 149702425), (170, 128567965), (190, 115034495), (323, 67667350), (365, 59880970), (425, 51427186), (475, 46013798), (646, 33833675), (730, 29940485), (850, 25713593), (950, 23006899), (1241, 17612050), (1387, 15758150), (1615, 13533470), (1825, 11976194), (2482, 8806025), (2774, 7879075), (3230, 6766735), (3650, 5988097), (6205, 3522410), (6935, 3151630), (8075, 2706694), (12410, 1761205), (13870, 1575815), (16150, 1353347), (18539, 1178950), (23579, 926950), (31025, 704482), (34675, 630326), (37078, 589475), (47158, 463475), (62050, 352241), (69350, 315163), (92695, 235790), (117895, 185390)]