280330010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^2\times {\mathrm{83}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 525698208

約数和(自身を除く): 245368198

約数列:

[1, 2, 5, 10, 67, 71, 83, 134, 142, 166, 335, 355, 415, 670, 710, 830, 4757, 5041, 5561, 5893, 9514, 10082, 11122, 11786, 23785, 25205, 27805, 29465, 47570, 50410, 55610, 58930, 337747, 394831, 418403, 675494, 789662, 836806, 1688735, 1974155, 2092015, 3377470, 3948310, 4184030, 28033001, 56066002, 140165005, 280330010]

約数ペア:

[(1, 280330010), (2, 140165005), (5, 56066002), (10, 28033001), (67, 4184030), (71, 3948310), (83, 3377470), (134, 2092015), (142, 1974155), (166, 1688735), (335, 836806), (355, 789662), (415, 675494), (670, 418403), (710, 394831), (830, 337747), (4757, 58930), (5041, 55610), (5561, 50410), (5893, 47570), (9514, 29465), (10082, 27805), (11122, 25205), (11786, 23785)]