551449688840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{928429}}^1$

素因数の和:928950

約数の個数: 64

約数和(自身を含む): 1283461632000

約数和(自身を除く): 732011943160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 479, 620, 958, 1240, 1916, 2395, 3832, 4790, 9580, 14849, 19160, 29698, 59396, 74245, 118792, 148490, 296980, 593960, 928429, 1856858, 3713716, 4642145, 7427432, 9284290, 18568580, 28781299, 37137160, 57562598, 115125196, 143906495, 230250392, 287812990, 444717491, 575625980, 889434982, 1151251960, 1778869964, 2223587455, 3557739928, 4447174910, 8894349820, 13786242221, 17788699640, 27572484442, 55144968884, 68931211105, 110289937768, 137862422210, 275724844420, 551449688840]

約数ペア:

[(1, 551449688840), (2, 275724844420), (4, 137862422210), (5, 110289937768), (8, 68931211105), (10, 55144968884), (20, 27572484442), (31, 17788699640), (40, 13786242221), (62, 8894349820), (124, 4447174910), (155, 3557739928), (248, 2223587455), (310, 1778869964), (479, 1151251960), (620, 889434982), (958, 575625980), (1240, 444717491), (1916, 287812990), (2395, 230250392), (3832, 143906495), (4790, 115125196), (9580, 57562598), (14849, 37137160), (19160, 28781299), (29698, 18568580), (59396, 9284290), (74245, 7427432), (118792, 4642145), (148490, 3713716), (296980, 1856858), (593960, 928429)]