804908540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{4327}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 1727599104

約数和(自身を除く): 922690564

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 355, 524, 655, 710, 1310, 1420, 2620, 4327, 8654, 9301, 17308, 18602, 21635, 37204, 43270, 46505, 86540, 93010, 186020, 307217, 566837, 614434, 1133674, 1228868, 1536085, 2267348, 2834185, 3072170, 5668370, 6144340, 11336740, 40245427, 80490854, 160981708, 201227135, 402454270, 804908540]

約数ペア:

[(1, 804908540), (2, 402454270), (4, 201227135), (5, 160981708), (10, 80490854), (20, 40245427), (71, 11336740), (131, 6144340), (142, 5668370), (262, 3072170), (284, 2834185), (355, 2267348), (524, 1536085), (655, 1228868), (710, 1133674), (1310, 614434), (1420, 566837), (2620, 307217), (4327, 186020), (8654, 93010), (9301, 86540), (17308, 46505), (18602, 43270), (21635, 37204)]