129244840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{983}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 308188800

約数和(自身を除く): 178943960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 692, 760, 865, 983, 1384, 1730, 1966, 3287, 3460, 3932, 4915, 6574, 6920, 7864, 9830, 13148, 16435, 18677, 19660, 26296, 32870, 37354, 39320, 65740, 74708, 93385, 131480, 149416, 170059, 186770, 340118, 373540, 680236, 747080, 850295, 1360472, 1700590, 3231121, 3401180, 6462242, 6802360, 12924484, 16155605, 25848968, 32311210, 64622420, 129244840]

約数ペア:

[(1, 129244840), (2, 64622420), (4, 32311210), (5, 25848968), (8, 16155605), (10, 12924484), (19, 6802360), (20, 6462242), (38, 3401180), (40, 3231121), (76, 1700590), (95, 1360472), (152, 850295), (173, 747080), (190, 680236), (346, 373540), (380, 340118), (692, 186770), (760, 170059), (865, 149416), (983, 131480), (1384, 93385), (1730, 74708), (1966, 65740), (3287, 39320), (3460, 37354), (3932, 32870), (4915, 26296), (6574, 19660), (6920, 18677), (7864, 16435), (9830, 13148)]