1850998280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{1979}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 4241160000

約数和(自身を除く): 2390161720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 349, 536, 670, 698, 1340, 1396, 1745, 1979, 2680, 2792, 3490, 3958, 6980, 7916, 9895, 13960, 15832, 19790, 23383, 39580, 46766, 79160, 93532, 116915, 132593, 187064, 233830, 265186, 467660, 530372, 662965, 690671, 935320, 1060744, 1325930, 1381342, 2651860, 2762684, 3453355, 5303720, 5525368, 6906710, 13813420, 27626840, 46274957, 92549914, 185099828, 231374785, 370199656, 462749570, 925499140, 1850998280]

約数ペア:

[(1, 1850998280), (2, 925499140), (4, 462749570), (5, 370199656), (8, 231374785), (10, 185099828), (20, 92549914), (40, 46274957), (67, 27626840), (134, 13813420), (268, 6906710), (335, 5525368), (349, 5303720), (536, 3453355), (670, 2762684), (698, 2651860), (1340, 1381342), (1396, 1325930), (1745, 1060744), (1979, 935320), (2680, 690671), (2792, 662965), (3490, 530372), (3958, 467660), (6980, 265186), (7916, 233830), (9895, 187064), (13960, 132593), (15832, 116915), (19790, 93532), (23383, 79160), (39580, 46766)]