138950910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 128

約数和(自身を含む): 435133440

約数和(自身を除く): 296182530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 518, 555, 630, 666, 777, 945, 999, 1110, 1295, 1554, 1665, 1890, 1987, 1998, 2331, 2590, 3330, 3885, 3974, 4662, 4995, 5961, 6993, 7770, 9935, 9990, 11655, 11922, 13909, 13986, 17883, 19870, 23310, 27818, 29805, 34965, 35766, 41727, 53649, 59610, 69545, 69930, 73519, 83454, 89415, 107298, 125181, 139090, 147038, 178830, 208635, 220557, 250362, 268245, 367595, 375543, 417270, 441114, 514633, 536490, 625905, 661671, 735190, 751086, 1029266, 1102785, 1251810, 1323342, 1543899, 1877715, 1985013, 2205570, 2573165, 3087798, 3308355, 3755430, 3970026, 4631697, 5146330, 6616710, 7719495, 9263394, 9925065, 13895091, 15438990, 19850130, 23158485, 27790182, 46316970, 69475455, 138950910]

約数ペア:

[(1, 138950910), (2, 69475455), (3, 46316970), (5, 27790182), (6, 23158485), (7, 19850130), (9, 15438990), (10, 13895091), (14, 9925065), (15, 9263394), (18, 7719495), (21, 6616710), (27, 5146330), (30, 4631697), (35, 3970026), (37, 3755430), (42, 3308355), (45, 3087798), (54, 2573165), (63, 2205570), (70, 1985013), (74, 1877715), (90, 1543899), (105, 1323342), (111, 1251810), (126, 1102785), (135, 1029266), (185, 751086), (189, 735190), (210, 661671), (222, 625905), (259, 536490), (270, 514633), (315, 441114), (333, 417270), (370, 375543), (378, 367595), (518, 268245), (555, 250362), (630, 220557), (666, 208635), (777, 178830), (945, 147038), (999, 139090), (1110, 125181), (1295, 107298), (1554, 89415), (1665, 83454), (1890, 73519), (1987, 69930), (1998, 69545), (2331, 59610), (2590, 53649), (3330, 41727), (3885, 35766), (3974, 34965), (4662, 29805), (4995, 27818), (5961, 23310), (6993, 19870), (7770, 17883), (9935, 13986), (9990, 13909), (11655, 11922)]