2019949580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 4703807808

約数和(自身を除く): 2683858228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 193, 220, 226, 386, 421, 452, 565, 772, 842, 965, 1130, 1243, 1684, 1930, 2105, 2123, 2260, 2486, 3860, 4210, 4246, 4631, 4972, 6215, 8420, 8492, 9262, 10615, 12430, 18524, 21230, 21809, 23155, 24860, 42460, 43618, 46310, 47573, 81253, 87236, 92620, 95146, 109045, 162506, 190292, 218090, 237865, 239899, 325012, 406265, 436180, 475730, 479798, 523303, 812530, 893783, 951460, 959596, 1046606, 1199495, 1625060, 1787566, 2093212, 2398990, 2616515, 3575132, 4468915, 4797980, 5233030, 8937830, 9181589, 10466060, 17875660, 18363178, 36726356, 45907945, 91815890, 100997479, 183631780, 201994958, 403989916, 504987395, 1009974790, 2019949580]

約数ペア:

[(1, 2019949580), (2, 1009974790), (4, 504987395), (5, 403989916), (10, 201994958), (11, 183631780), (20, 100997479), (22, 91815890), (44, 45907945), (55, 36726356), (110, 18363178), (113, 17875660), (193, 10466060), (220, 9181589), (226, 8937830), (386, 5233030), (421, 4797980), (452, 4468915), (565, 3575132), (772, 2616515), (842, 2398990), (965, 2093212), (1130, 1787566), (1243, 1625060), (1684, 1199495), (1930, 1046606), (2105, 959596), (2123, 951460), (2260, 893783), (2486, 812530), (3860, 523303), (4210, 479798), (4246, 475730), (4631, 436180), (4972, 406265), (6215, 325012), (8420, 239899), (8492, 237865), (9262, 218090), (10615, 190292), (12430, 162506), (18524, 109045), (21230, 95146), (21809, 92620), (23155, 87236), (24860, 81253), (42460, 47573), (43618, 46310)]