64458440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 150822000

約数和(自身を除く): 86363560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 449, 485, 740, 776, 898, 970, 1480, 1796, 1940, 2245, 3589, 3592, 3880, 4490, 7178, 8980, 14356, 16613, 17945, 17960, 28712, 33226, 35890, 43553, 66452, 71780, 83065, 87106, 132904, 143560, 166130, 174212, 217765, 332260, 348424, 435530, 664520, 871060, 1611461, 1742120, 3222922, 6445844, 8057305, 12891688, 16114610, 32229220, 64458440]

約数ペア:

[(1, 64458440), (2, 32229220), (4, 16114610), (5, 12891688), (8, 8057305), (10, 6445844), (20, 3222922), (37, 1742120), (40, 1611461), (74, 871060), (97, 664520), (148, 435530), (185, 348424), (194, 332260), (296, 217765), (370, 174212), (388, 166130), (449, 143560), (485, 132904), (740, 87106), (776, 83065), (898, 71780), (970, 66452), (1480, 43553), (1796, 35890), (1940, 33226), (2245, 28712), (3589, 17960), (3592, 17945), (3880, 16613), (4490, 14356), (7178, 8980)]