2189995620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^2$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 6467424768

約数和(自身を除く): 4277429148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 73, 93, 124, 127, 146, 155, 186, 219, 254, 292, 310, 365, 372, 381, 438, 465, 508, 620, 635, 730, 762, 876, 930, 1095, 1270, 1460, 1524, 1860, 1905, 2190, 2263, 2540, 3810, 3937, 4380, 4526, 6789, 7620, 7874, 9052, 9271, 11315, 11811, 13578, 15748, 16129, 18542, 19685, 22630, 23622, 27156, 27813, 32258, 33945, 37084, 39370, 45260, 46355, 47244, 48387, 55626, 59055, 64516, 67890, 78740, 80645, 92710, 96774, 111252, 118110, 135780, 139065, 161290, 185420, 193548, 236220, 241935, 278130, 287401, 322580, 483870, 499999, 556260, 574802, 862203, 967740, 999998, 1149604, 1177417, 1437005, 1499997, 1724406, 1999996, 2354834, 2499995, 2874010, 2999994, 3448812, 3532251, 4311015, 4709668, 4999990, 5748020, 5887085, 5999988, 7064502, 7499985, 8622030, 9999980, 11774170, 14129004, 14999970, 17244060, 17661255, 23548340, 29999940, 35322510, 36499927, 70645020, 72999854, 109499781, 145999708, 182499635, 218999562, 364999270, 437999124, 547498905, 729998540, 1094997810, 2189995620]

約数ペア:

[(1, 2189995620), (2, 1094997810), (3, 729998540), (4, 547498905), (5, 437999124), (6, 364999270), (10, 218999562), (12, 182499635), (15, 145999708), (20, 109499781), (30, 72999854), (31, 70645020), (60, 36499927), (62, 35322510), (73, 29999940), (93, 23548340), (124, 17661255), (127, 17244060), (146, 14999970), (155, 14129004), (186, 11774170), (219, 9999980), (254, 8622030), (292, 7499985), (310, 7064502), (365, 5999988), (372, 5887085), (381, 5748020), (438, 4999990), (465, 4709668), (508, 4311015), (620, 3532251), (635, 3448812), (730, 2999994), (762, 2874010), (876, 2499995), (930, 2354834), (1095, 1999996), (1270, 1724406), (1460, 1499997), (1524, 1437005), (1860, 1177417), (1905, 1149604), (2190, 999998), (2263, 967740), (2540, 862203), (3810, 574802), (3937, 556260), (4380, 499999), (4526, 483870), (6789, 322580), (7620, 287401), (7874, 278130), (9052, 241935), (9271, 236220), (11315, 193548), (11811, 185420), (13578, 161290), (15748, 139065), (16129, 135780), (18542, 118110), (19685, 111252), (22630, 96774), (23622, 92710), (27156, 80645), (27813, 78740), (32258, 67890), (33945, 64516), (37084, 59055), (39370, 55626), (45260, 48387), (46355, 47244)]