202161710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 398088000

約数和(自身を除く): 195926290

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 149, 185, 190, 193, 298, 370, 386, 703, 745, 965, 1406, 1490, 1930, 2831, 3515, 3667, 5513, 5662, 7030, 7141, 7334, 11026, 14155, 14282, 18335, 27565, 28310, 28757, 35705, 36670, 55130, 57514, 71410, 104747, 135679, 143785, 209494, 271358, 287570, 523735, 546383, 678395, 1047470, 1064009, 1092766, 1356790, 2128018, 2731915, 5320045, 5463830, 10640090, 20216171, 40432342, 101080855, 202161710]

約数ペア:

[(1, 202161710), (2, 101080855), (5, 40432342), (10, 20216171), (19, 10640090), (37, 5463830), (38, 5320045), (74, 2731915), (95, 2128018), (149, 1356790), (185, 1092766), (190, 1064009), (193, 1047470), (298, 678395), (370, 546383), (386, 523735), (703, 287570), (745, 271358), (965, 209494), (1406, 143785), (1490, 135679), (1930, 104747), (2831, 71410), (3515, 57514), (3667, 55130), (5513, 36670), (5662, 35705), (7030, 28757), (7141, 28310), (7334, 27565), (11026, 18335), (14155, 14282)]