69997760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31249}}^1$

素因数の和:31273

約数の個数: 56

約数和(自身を含む): 190500000

約数和(自身を除く): 120502240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 31249, 62498, 124996, 156245, 218743, 249992, 312490, 437486, 499984, 624980, 874972, 999968, 1093715, 1249960, 1749944, 1999936, 2187430, 2499920, 3499888, 4374860, 4999840, 6999776, 8749720, 9999680, 13999552, 17499440, 34998880, 69997760]

約数ペア:

[(1, 69997760), (2, 34998880), (4, 17499440), (5, 13999552), (7, 9999680), (8, 8749720), (10, 6999776), (14, 4999840), (16, 4374860), (20, 3499888), (28, 2499920), (32, 2187430), (35, 1999936), (40, 1749944), (56, 1249960), (64, 1093715), (70, 999968), (80, 874972), (112, 624980), (140, 499984), (160, 437486), (224, 312490), (280, 249992), (320, 218743), (448, 156245), (560, 124996), (1120, 62498), (2240, 31249)]