206611900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 517966848

約数和(自身を除く): 311354948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 73, 83, 100, 110, 124, 146, 155, 166, 220, 275, 292, 310, 332, 341, 365, 415, 550, 620, 682, 730, 775, 803, 830, 913, 1100, 1364, 1460, 1550, 1606, 1660, 1705, 1825, 1826, 2075, 2263, 2573, 3100, 3212, 3410, 3650, 3652, 4015, 4150, 4526, 4565, 5146, 6059, 6820, 7300, 8030, 8300, 8525, 9052, 9130, 10292, 11315, 12118, 12865, 16060, 17050, 18260, 20075, 22630, 22825, 24236, 24893, 25730, 28303, 30295, 34100, 40150, 45260, 45650, 49786, 51460, 56575, 56606, 60590, 64325, 66649, 80300, 91300, 99572, 113150, 113212, 121180, 124465, 128650, 133298, 141515, 151475, 187829, 226300, 248930, 257300, 266596, 283030, 302950, 333245, 375658, 497860, 566060, 605900, 622325, 666490, 707575, 751316, 939145, 1244650, 1332980, 1415150, 1666225, 1878290, 2066119, 2489300, 2830300, 3332450, 3756580, 4132238, 4695725, 6664900, 8264476, 9391450, 10330595, 18782900, 20661190, 41322380, 51652975, 103305950, 206611900]

約数ペア:

[(1, 206611900), (2, 103305950), (4, 51652975), (5, 41322380), (10, 20661190), (11, 18782900), (20, 10330595), (22, 9391450), (25, 8264476), (31, 6664900), (44, 4695725), (50, 4132238), (55, 3756580), (62, 3332450), (73, 2830300), (83, 2489300), (100, 2066119), (110, 1878290), (124, 1666225), (146, 1415150), (155, 1332980), (166, 1244650), (220, 939145), (275, 751316), (292, 707575), (310, 666490), (332, 622325), (341, 605900), (365, 566060), (415, 497860), (550, 375658), (620, 333245), (682, 302950), (730, 283030), (775, 266596), (803, 257300), (830, 248930), (913, 226300), (1100, 187829), (1364, 151475), (1460, 141515), (1550, 133298), (1606, 128650), (1660, 124465), (1705, 121180), (1825, 113212), (1826, 113150), (2075, 99572), (2263, 91300), (2573, 80300), (3100, 66649), (3212, 64325), (3410, 60590), (3650, 56606), (3652, 56575), (4015, 51460), (4150, 49786), (4526, 45650), (4565, 45260), (5146, 40150), (6059, 34100), (6820, 30295), (7300, 28303), (8030, 25730), (8300, 24893), (8525, 24236), (9052, 22825), (9130, 22630), (10292, 20075), (11315, 18260), (12118, 17050), (12865, 16060)]