502956580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2579}}^1$

素因数の和:2801

約数の個数: 72

約数和(自身を含む): 1235304000

約数和(自身を除く): 732347420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 796, 980, 995, 1393, 1990, 2579, 2786, 3980, 5158, 5572, 6965, 9751, 10316, 12895, 13930, 18053, 19502, 25790, 27860, 36106, 39004, 48755, 51580, 72212, 90265, 97510, 126371, 180530, 195020, 252742, 361060, 505484, 513221, 631855, 1026442, 1263710, 2052884, 2527420, 2566105, 3592547, 5132210, 7185094, 10264420, 14370188, 17962735, 25147829, 35925470, 50295658, 71850940, 100591316, 125739145, 251478290, 502956580]

約数ペア:

[(1, 502956580), (2, 251478290), (4, 125739145), (5, 100591316), (7, 71850940), (10, 50295658), (14, 35925470), (20, 25147829), (28, 17962735), (35, 14370188), (49, 10264420), (70, 7185094), (98, 5132210), (140, 3592547), (196, 2566105), (199, 2527420), (245, 2052884), (398, 1263710), (490, 1026442), (796, 631855), (980, 513221), (995, 505484), (1393, 361060), (1990, 252742), (2579, 195020), (2786, 180530), (3980, 126371), (5158, 97510), (5572, 90265), (6965, 72212), (9751, 51580), (10316, 48755), (12895, 39004), (13930, 36106), (18053, 27860), (19502, 25790)]