171510440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 395176320

約数和(自身を除く): 223665880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 262, 284, 355, 461, 524, 568, 655, 710, 922, 1048, 1310, 1420, 1844, 2305, 2620, 2840, 3688, 4610, 5240, 9220, 9301, 18440, 18602, 32731, 37204, 46505, 60391, 65462, 74408, 93010, 120782, 130924, 163655, 186020, 241564, 261848, 301955, 327310, 372040, 483128, 603910, 654620, 1207820, 1309240, 2415640, 4287761, 8575522, 17151044, 21438805, 34302088, 42877610, 85755220, 171510440]

約数ペア:

[(1, 171510440), (2, 85755220), (4, 42877610), (5, 34302088), (8, 21438805), (10, 17151044), (20, 8575522), (40, 4287761), (71, 2415640), (131, 1309240), (142, 1207820), (262, 654620), (284, 603910), (355, 483128), (461, 372040), (524, 327310), (568, 301955), (655, 261848), (710, 241564), (922, 186020), (1048, 163655), (1310, 130924), (1420, 120782), (1844, 93010), (2305, 74408), (2620, 65462), (2840, 60391), (3688, 46505), (4610, 37204), (5240, 32731), (9220, 18602), (9301, 18440)]