202119680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11279}}^1$

素因数の和:11309

約数の個数: 80

約数和(自身を含む): 553893120

約数和(自身を除く): 351773440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 11279, 17920, 22558, 45116, 56395, 78953, 90232, 112790, 157906, 180464, 225580, 315812, 360928, 394765, 451160, 631624, 721856, 789530, 902320, 1263248, 1443712, 1579060, 1804640, 2526496, 2887424, 3158120, 3609280, 5052992, 5774848, 6316240, 7218560, 10105984, 12632480, 14437120, 20211968, 25264960, 28874240, 40423936, 50529920, 101059840, 202119680]

約数ペア:

[(1, 202119680), (2, 101059840), (4, 50529920), (5, 40423936), (7, 28874240), (8, 25264960), (10, 20211968), (14, 14437120), (16, 12632480), (20, 10105984), (28, 7218560), (32, 6316240), (35, 5774848), (40, 5052992), (56, 3609280), (64, 3158120), (70, 2887424), (80, 2526496), (112, 1804640), (128, 1579060), (140, 1443712), (160, 1263248), (224, 902320), (256, 789530), (280, 721856), (320, 631624), (448, 451160), (512, 394765), (560, 360928), (640, 315812), (896, 225580), (1120, 180464), (1280, 157906), (1792, 112790), (2240, 90232), (2560, 78953), (3584, 56395), (4480, 45116), (8960, 22558), (11279, 17920)]