989492025640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{2774173}}^1$

素因数の和:2774462

約数の個数: 64

約数和(自身を含む): 2296017369360

約数和(自身を除く): 1306525343720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 241, 296, 370, 482, 740, 964, 1205, 1480, 1928, 2410, 4820, 8917, 9640, 17834, 35668, 44585, 71336, 89170, 178340, 356680, 2774173, 5548346, 11096692, 13870865, 22193384, 27741730, 55483460, 102644401, 110966920, 205288802, 410577604, 513222005, 668575693, 821155208, 1026444010, 1337151386, 2052888020, 2674302772, 3342878465, 4105776040, 5348605544, 6685756930, 13371513860, 24737300641, 26743027720, 49474601282, 98949202564, 123686503205, 197898405128, 247373006410, 494746012820, 989492025640]

約数ペア:

[(1, 989492025640), (2, 494746012820), (4, 247373006410), (5, 197898405128), (8, 123686503205), (10, 98949202564), (20, 49474601282), (37, 26743027720), (40, 24737300641), (74, 13371513860), (148, 6685756930), (185, 5348605544), (241, 4105776040), (296, 3342878465), (370, 2674302772), (482, 2052888020), (740, 1337151386), (964, 1026444010), (1205, 821155208), (1480, 668575693), (1928, 513222005), (2410, 410577604), (4820, 205288802), (8917, 110966920), (9640, 102644401), (17834, 55483460), (35668, 27741730), (44585, 22193384), (71336, 13870865), (89170, 11096692), (178340, 5548346), (356680, 2774173)]