156393880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{659}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 374220000

約数和(自身を除く): 217826120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 349, 659, 680, 698, 1318, 1396, 1745, 2636, 2792, 3295, 3490, 5272, 5933, 6590, 6980, 11203, 11866, 13180, 13960, 22406, 23732, 26360, 29665, 44812, 47464, 56015, 59330, 89624, 112030, 118660, 224060, 229991, 237320, 448120, 459982, 919964, 1149955, 1839928, 2299910, 3909847, 4599820, 7819694, 9199640, 15639388, 19549235, 31278776, 39098470, 78196940, 156393880]

約数ペア:

[(1, 156393880), (2, 78196940), (4, 39098470), (5, 31278776), (8, 19549235), (10, 15639388), (17, 9199640), (20, 7819694), (34, 4599820), (40, 3909847), (68, 2299910), (85, 1839928), (136, 1149955), (170, 919964), (340, 459982), (349, 448120), (659, 237320), (680, 229991), (698, 224060), (1318, 118660), (1396, 112030), (1745, 89624), (2636, 59330), (2792, 56015), (3295, 47464), (3490, 44812), (5272, 29665), (5933, 26360), (6590, 23732), (6980, 22406), (11203, 13960), (11866, 13180)]