71396680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2606

約数の個数: 64

約数和(自身を含む): 173736000

約数和(自身を除く): 102339320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2539, 2812, 3515, 5078, 5624, 7030, 10156, 12695, 14060, 20312, 25390, 28120, 48241, 50780, 93943, 96482, 101560, 187886, 192964, 241205, 375772, 385928, 469715, 482410, 751544, 939430, 964820, 1784917, 1878860, 1929640, 3569834, 3757720, 7139668, 8924585, 14279336, 17849170, 35698340, 71396680]

約数ペア:

[(1, 71396680), (2, 35698340), (4, 17849170), (5, 14279336), (8, 8924585), (10, 7139668), (19, 3757720), (20, 3569834), (37, 1929640), (38, 1878860), (40, 1784917), (74, 964820), (76, 939430), (95, 751544), (148, 482410), (152, 469715), (185, 385928), (190, 375772), (296, 241205), (370, 192964), (380, 187886), (703, 101560), (740, 96482), (760, 93943), (1406, 50780), (1480, 48241), (2539, 28120), (2812, 25390), (3515, 20312), (5078, 14060), (5624, 12695), (7030, 10156)]