839763100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 2089866240

約数和(自身を除く): 1250103140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 47, 50, 55, 74, 94, 100, 110, 148, 185, 188, 220, 235, 275, 370, 407, 439, 470, 517, 550, 740, 814, 878, 925, 940, 1034, 1100, 1175, 1628, 1739, 1756, 1850, 2035, 2068, 2195, 2350, 2585, 3478, 3700, 4070, 4390, 4700, 4829, 5170, 6956, 8140, 8695, 8780, 9658, 10175, 10340, 10975, 12925, 16243, 17390, 19129, 19316, 20350, 20633, 21950, 24145, 25850, 32486, 34780, 38258, 40700, 41266, 43475, 43900, 48290, 51700, 64972, 76516, 81215, 82532, 86950, 95645, 96580, 103165, 120725, 162430, 173900, 178673, 191290, 206330, 226963, 241450, 324860, 357346, 382580, 406075, 412660, 453926, 478225, 482900, 515825, 714692, 763421, 812150, 893365, 907852, 956450, 1031650, 1134815, 1526842, 1624300, 1786730, 1912900, 2063300, 2269630, 3053684, 3573460, 3817105, 4466825, 4539260, 5674075, 7634210, 8397631, 8933650, 11348150, 15268420, 16795262, 17867300, 19085525, 22696300, 33590524, 38171050, 41988155, 76342100, 83976310, 167952620, 209940775, 419881550, 839763100]

約数ペア:

[(1, 839763100), (2, 419881550), (4, 209940775), (5, 167952620), (10, 83976310), (11, 76342100), (20, 41988155), (22, 38171050), (25, 33590524), (37, 22696300), (44, 19085525), (47, 17867300), (50, 16795262), (55, 15268420), (74, 11348150), (94, 8933650), (100, 8397631), (110, 7634210), (148, 5674075), (185, 4539260), (188, 4466825), (220, 3817105), (235, 3573460), (275, 3053684), (370, 2269630), (407, 2063300), (439, 1912900), (470, 1786730), (517, 1624300), (550, 1526842), (740, 1134815), (814, 1031650), (878, 956450), (925, 907852), (940, 893365), (1034, 812150), (1100, 763421), (1175, 714692), (1628, 515825), (1739, 482900), (1756, 478225), (1850, 453926), (2035, 412660), (2068, 406075), (2195, 382580), (2350, 357346), (2585, 324860), (3478, 241450), (3700, 226963), (4070, 206330), (4390, 191290), (4700, 178673), (4829, 173900), (5170, 162430), (6956, 120725), (8140, 103165), (8695, 96580), (8780, 95645), (9658, 86950), (10175, 82532), (10340, 81215), (10975, 76516), (12925, 64972), (16243, 51700), (17390, 48290), (19129, 43900), (19316, 43475), (20350, 41266), (20633, 40700), (21950, 38258), (24145, 34780), (25850, 32486)]