129886280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 328320000

約数和(自身を除く): 198433720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 62, 74, 76, 95, 124, 148, 149, 152, 155, 185, 190, 248, 296, 298, 310, 370, 380, 589, 596, 620, 703, 740, 745, 760, 1147, 1178, 1192, 1240, 1406, 1480, 1490, 2294, 2356, 2812, 2831, 2945, 2980, 3515, 4588, 4619, 4712, 5513, 5624, 5662, 5735, 5890, 5960, 7030, 9176, 9238, 11026, 11324, 11470, 11780, 14060, 14155, 18476, 21793, 22052, 22648, 22940, 23095, 23560, 27565, 28120, 28310, 36952, 43586, 44104, 45880, 46190, 55130, 56620, 87172, 87761, 92380, 104747, 108965, 110260, 113240, 170903, 174344, 175522, 184760, 209494, 217930, 220520, 341806, 351044, 418988, 435860, 438805, 523735, 683612, 702088, 837976, 854515, 871720, 877610, 1047470, 1367224, 1709030, 1755220, 2094940, 3247157, 3418060, 3510440, 4189880, 6494314, 6836120, 12988628, 16235785, 25977256, 32471570, 64943140, 129886280]

約数ペア:

[(1, 129886280), (2, 64943140), (4, 32471570), (5, 25977256), (8, 16235785), (10, 12988628), (19, 6836120), (20, 6494314), (31, 4189880), (37, 3510440), (38, 3418060), (40, 3247157), (62, 2094940), (74, 1755220), (76, 1709030), (95, 1367224), (124, 1047470), (148, 877610), (149, 871720), (152, 854515), (155, 837976), (185, 702088), (190, 683612), (248, 523735), (296, 438805), (298, 435860), (310, 418988), (370, 351044), (380, 341806), (589, 220520), (596, 217930), (620, 209494), (703, 184760), (740, 175522), (745, 174344), (760, 170903), (1147, 113240), (1178, 110260), (1192, 108965), (1240, 104747), (1406, 92380), (1480, 87761), (1490, 87172), (2294, 56620), (2356, 55130), (2812, 46190), (2831, 45880), (2945, 44104), (2980, 43586), (3515, 36952), (4588, 28310), (4619, 28120), (4712, 27565), (5513, 23560), (5624, 23095), (5662, 22940), (5735, 22648), (5890, 22052), (5960, 21793), (7030, 18476), (9176, 14155), (9238, 14060), (11026, 11780), (11324, 11470)]