458492020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{2351}}^1$

素因数の和:2573

約数の個数: 72

約数和(自身を含む): 1126137600

約数和(自身を除く): 667645580

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, 2351, 2786, 3980, 4702, 5572, 6965, 9404, 9751, 11755, 13930, 16457, 19502, 23510, 27860, 32914, 39004, 47020, 48755, 65828, 82285, 97510, 115199, 164570, 195020, 230398, 329140, 460796, 467849, 575995, 935698, 1151990, 1871396, 2303980, 2339245, 3274943, 4678490, 6549886, 9356980, 13099772, 16374715, 22924601, 32749430, 45849202, 65498860, 91698404, 114623005, 229246010, 458492020]

約数ペア:

[(1, 458492020), (2, 229246010), (4, 114623005), (5, 91698404), (7, 65498860), (10, 45849202), (14, 32749430), (20, 22924601), (28, 16374715), (35, 13099772), (49, 9356980), (70, 6549886), (98, 4678490), (140, 3274943), (196, 2339245), (199, 2303980), (245, 1871396), (398, 1151990), (490, 935698), (796, 575995), (980, 467849), (995, 460796), (1393, 329140), (1990, 230398), (2351, 195020), (2786, 164570), (3980, 115199), (4702, 97510), (5572, 82285), (6965, 65828), (9404, 48755), (9751, 47020), (11755, 39004), (13930, 32914), (16457, 27860), (19502, 23510)]