64943140

素因数分解:

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

素因数の和:245

約数の個数: 96

約数和(自身を含む): 153216000

約数和(自身を除く): 88272860

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 37, 38, 62, 74, 76, 95, 124, 148, 149, 155, 185, 190, 298, 310, 370, 380, 589, 596, 620, 703, 740, 745, 1147, 1178, 1406, 1490, 2294, 2356, 2812, 2831, 2945, 2980, 3515, 4588, 4619, 5513, 5662, 5735, 5890, 7030, 9238, 11026, 11324, 11470, 11780, 14060, 14155, 18476, 21793, 22052, 22940, 23095, 27565, 28310, 43586, 46190, 55130, 56620, 87172, 87761, 92380, 104747, 108965, 110260, 170903, 175522, 209494, 217930, 341806, 351044, 418988, 435860, 438805, 523735, 683612, 854515, 877610, 1047470, 1709030, 1755220, 2094940, 3247157, 3418060, 6494314, 12988628, 16235785, 32471570, 64943140]

約数ペア:

[(1, 64943140), (2, 32471570), (4, 16235785), (5, 12988628), (10, 6494314), (19, 3418060), (20, 3247157), (31, 2094940), (37, 1755220), (38, 1709030), (62, 1047470), (74, 877610), (76, 854515), (95, 683612), (124, 523735), (148, 438805), (149, 435860), (155, 418988), (185, 351044), (190, 341806), (298, 217930), (310, 209494), (370, 175522), (380, 170903), (589, 110260), (596, 108965), (620, 104747), (703, 92380), (740, 87761), (745, 87172), (1147, 56620), (1178, 55130), (1406, 46190), (1490, 43586), (2294, 28310), (2356, 27565), (2812, 23095), (2831, 22940), (2945, 22052), (2980, 21793), (3515, 18476), (4588, 14155), (4619, 14060), (5513, 11780), (5662, 11470), (5735, 11324), (5890, 11026), (7030, 9238)]