419986560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31249}}^1$

素因数の和:31278

約数の個数: 128

約数和(自身を含む): 1530000000

約数和(自身を除く): 1110013440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 31249, 62498, 93747, 124996, 156245, 187494, 218743, 249992, 312490, 374988, 437486, 468735, 499984, 624980, 656229, 749976, 874972, 937470, 999968, 1093715, 1249960, 1312458, 1499952, 1749944, 1874940, 1999936, 2187430, 2499920, 2624916, 2999904, 3281145, 3499888, 3749880, 3999872, 4374860, 4999840, 5249832, 5999808, 6562290, 6999776, 7499760, 8749720, 9999680, 10499664, 11999616, 13124580, 13999552, 14999520, 17499440, 19999360, 20999328, 26249160, 27999104, 29999040, 34998880, 41998656, 52498320, 59998080, 69997760, 83997312, 104996640, 139995520, 209993280, 419986560]

約数ペア:

[(1, 419986560), (2, 209993280), (3, 139995520), (4, 104996640), (5, 83997312), (6, 69997760), (7, 59998080), (8, 52498320), (10, 41998656), (12, 34998880), (14, 29999040), (15, 27999104), (16, 26249160), (20, 20999328), (21, 19999360), (24, 17499440), (28, 14999520), (30, 13999552), (32, 13124580), (35, 11999616), (40, 10499664), (42, 9999680), (48, 8749720), (56, 7499760), (60, 6999776), (64, 6562290), (70, 5999808), (80, 5249832), (84, 4999840), (96, 4374860), (105, 3999872), (112, 3749880), (120, 3499888), (128, 3281145), (140, 2999904), (160, 2624916), (168, 2499920), (192, 2187430), (210, 1999936), (224, 1874940), (240, 1749944), (280, 1499952), (320, 1312458), (336, 1249960), (384, 1093715), (420, 999968), (448, 937470), (480, 874972), (560, 749976), (640, 656229), (672, 624980), (840, 499984), (896, 468735), (960, 437486), (1120, 374988), (1344, 312490), (1680, 249992), (1920, 218743), (2240, 187494), (2688, 156245), (3360, 124996), (4480, 93747), (6720, 62498), (13440, 31249)]