418877440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 104

約数和(自身を含む): 1019681208

約数和(自身を除く): 600803768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 181, 226, 256, 320, 362, 452, 512, 565, 640, 724, 904, 905, 1024, 1130, 1280, 1448, 1808, 1810, 2048, 2260, 2560, 2896, 3616, 3620, 4096, 4520, 5120, 5792, 7232, 7240, 9040, 10240, 11584, 14464, 14480, 18080, 20453, 20480, 23168, 28928, 28960, 36160, 40906, 46336, 57856, 57920, 72320, 81812, 92672, 102265, 115712, 115840, 144640, 163624, 185344, 204530, 231424, 231680, 289280, 327248, 370688, 409060, 462848, 463360, 578560, 654496, 741376, 818120, 926720, 1157120, 1308992, 1636240, 1853440, 2314240, 2617984, 3272480, 3706880, 5235968, 6544960, 10471936, 13089920, 20943872, 26179840, 41887744, 52359680, 83775488, 104719360, 209438720, 418877440]

約数ペア:

[(1, 418877440), (2, 209438720), (4, 104719360), (5, 83775488), (8, 52359680), (10, 41887744), (16, 26179840), (20, 20943872), (32, 13089920), (40, 10471936), (64, 6544960), (80, 5235968), (113, 3706880), (128, 3272480), (160, 2617984), (181, 2314240), (226, 1853440), (256, 1636240), (320, 1308992), (362, 1157120), (452, 926720), (512, 818120), (565, 741376), (640, 654496), (724, 578560), (904, 463360), (905, 462848), (1024, 409060), (1130, 370688), (1280, 327248), (1448, 289280), (1808, 231680), (1810, 231424), (2048, 204530), (2260, 185344), (2560, 163624), (2896, 144640), (3616, 115840), (3620, 115712), (4096, 102265), (4520, 92672), (5120, 81812), (5792, 72320), (7232, 57920), (7240, 57856), (9040, 46336), (10240, 40906), (11584, 36160), (14464, 28960), (14480, 28928), (18080, 23168), (20453, 20480)]