19994700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 64745856

約数和(自身を除く): 44751156

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 73, 75, 83, 100, 110, 132, 146, 150, 165, 166, 219, 220, 249, 275, 292, 300, 330, 332, 365, 415, 438, 498, 550, 660, 730, 803, 825, 830, 876, 913, 996, 1095, 1100, 1245, 1460, 1606, 1650, 1660, 1825, 1826, 2075, 2190, 2409, 2490, 2739, 3212, 3300, 3650, 3652, 4015, 4150, 4380, 4565, 4818, 4980, 5475, 5478, 6059, 6225, 7300, 8030, 8300, 9130, 9636, 10950, 10956, 12045, 12118, 12450, 13695, 16060, 18177, 18260, 20075, 21900, 22825, 24090, 24236, 24900, 27390, 30295, 36354, 40150, 45650, 48180, 54780, 60225, 60590, 66649, 68475, 72708, 80300, 90885, 91300, 120450, 121180, 133298, 136950, 151475, 181770, 199947, 240900, 266596, 273900, 302950, 333245, 363540, 399894, 454425, 605900, 666490, 799788, 908850, 999735, 1332980, 1666225, 1817700, 1999470, 3332450, 3998940, 4998675, 6664900, 9997350, 19994700]

約数ペア:

[(1, 19994700), (2, 9997350), (3, 6664900), (4, 4998675), (5, 3998940), (6, 3332450), (10, 1999470), (11, 1817700), (12, 1666225), (15, 1332980), (20, 999735), (22, 908850), (25, 799788), (30, 666490), (33, 605900), (44, 454425), (50, 399894), (55, 363540), (60, 333245), (66, 302950), (73, 273900), (75, 266596), (83, 240900), (100, 199947), (110, 181770), (132, 151475), (146, 136950), (150, 133298), (165, 121180), (166, 120450), (219, 91300), (220, 90885), (249, 80300), (275, 72708), (292, 68475), (300, 66649), (330, 60590), (332, 60225), (365, 54780), (415, 48180), (438, 45650), (498, 40150), (550, 36354), (660, 30295), (730, 27390), (803, 24900), (825, 24236), (830, 24090), (876, 22825), (913, 21900), (996, 20075), (1095, 18260), (1100, 18177), (1245, 16060), (1460, 13695), (1606, 12450), (1650, 12118), (1660, 12045), (1825, 10956), (1826, 10950), (2075, 9636), (2190, 9130), (2409, 8300), (2490, 8030), (2739, 7300), (3212, 6225), (3300, 6059), (3650, 5478), (3652, 5475), (4015, 4980), (4150, 4818), (4380, 4565)]